pixel_test on NVIDIA GPU on Windows on Windows-10 becomes flaky after https://chromium-review.googlesource.com/c/chromium/src/+/987319 (https://ci.chromium.org/buildbot/chromium.gpu/Win10%20Debug%20%28NVIDIA%29/?limit=200). trchen@, could you please take a look? Thanks!

* gpu_tests.pixel_integration_test.PixelIntegrationTest.Pixel_OffscreenCanvasTransferToImageBitmap

[23/46] gpu_tests.pixel_integration_test.PixelIntegrationTest.Pixel_OffscreenCanvasTransferToImageBitmap failed unexpectedly 9.5800s:
  See http://chromium-browser-gpu-tests.commondatastorage.googleapis.com/view_test_results.html?34569e4441bf99e40a6ede00237e03f064d3bd93_Win10_Debug_NVIDIA__telemetry for this run's test results
  Downloading gs://chromium-gpu-archive/reference-images/Pixel_OffscreenCanvasTransferToImageBitmap_v2_win10_10de_1cb3_msaa.png to c:\b\s\w\it2bmcek\tmpxz1sbr.png
  Uploading c:\b\s\w\it2bmcek\tmp3l86tv.png to gs://chromium-browser-gpu-tests/runs/34569e4441bf99e40a6ede00237e03f064d3bd93_Win10_Debug_NVIDIA__telemetry/gen/Pixel_OffscreenCanvasTransferToImageBitmap_34569e4441bf99e40a6ede00237e03f064d3bd93.png (publicly readable)
  Uploading c:\b\s\w\it2bmcek\tmpo5wr9p.png to gs://chromium-browser-gpu-tests/runs/34569e4441bf99e40a6ede00237e03f064d3bd93_Win10_Debug_NVIDIA__telemetry/ref/Pixel_OffscreenCanvasTransferToImageBitmap_34569e4441bf99e40a6ede00237e03f064d3bd93.png (publicly readable)
  Uploading c:\b\s\w\it2bmcek\tmposcew5.png to gs://chromium-browser-gpu-tests/runs/34569e4441bf99e40a6ede00237e03f064d3bd93_Win10_Debug_NVIDIA__telemetry/diff/Pixel_OffscreenCanvasTransferToImageBitmap_34569e4441bf99e40a6ede00237e03f064d3bd93.png (publicly readable)
  
  Traceback (most recent call last):
    _RunGpuTest at content\test\gpu\gpu_tests\gpu_integration_test.py:132
      self.RunActualGpuTest(url, *args)
    RunActualGpuTest at content\test\gpu\gpu_tests\pixel_integration_test.py:183
      self.fail('Reference image did not match captured screen')
    fail at .swarming_module\bin\Lib\unittest\case.py:410
      raise self.failureException(msg)
  AssertionError: Reference image did not match captured screen
  
  Locals:
    msg : 'Reference image did not match captured screen'
  
  Found crashpad_database_util
  No minidump found via crashpad_database_util
  No minidump paths to symbolize
  Found crashpad_database_util
  No minidump found via crashpad_database_util
  Restarting browser due to unexpected test failure
  Closing browser (pid=3432) ...
  Successfully shut down browser cooperatively
  Browser is closed.
  Starting Chrome ['c:\\b\\s\\w\\ir\\out\\Debug\\chrome.exe', '--enable-experimental-web-platform-features', '--force-color-profile=srgb', '--test-type=gpu', '--enable-gpu-benchmarking', '--js-flags=--expose-gc', '--enable-logging=stderr', '--ensure-forced-color-profile', '--enable-net-benchmarking', '--metrics-recording-only', '--no-default-browser-check', '--no-first-run', '--enable-gpu-benchmarking', '--deny-permission-prompts', '--autoplay-policy=no-user-gesture-required', '--disable-background-networking', '--disable-component-extensions-with-background-pages', '--disable-default-apps', '--disable-search-geolocation-disclosure', '--proxy-server=socks://localhost:56185', '--ignore-certificate-errors-spki-list=PhrPvGIaAMmd29hj8BCZOq096yj7uMpRNHpn5PDxI6I=', '--remote-debugging-port=0', '--enable-crash-reporter-for-testing', '--disable-component-update', '--window-size=1280,1024', '--user-data-dir=c:\\b\\s\\w\\it2bmcek\\tmpvo78fh', 'about:blank']
  DoNothingForwarder started between 127.0.0.1:56992 and 56992
  Got devtools config: ws://127.0.0.1:56992/devtools/browser/23a7454b-1c99-430a-bcb2-dbe3e855158c
  Browser started (pid=6640).
  OS: win win10
  Detailed OS version: 10.0.16299
  Browser command line: "c:\b\s\w\ir\out\Debug\chrome.exe" --enable-experimental-web-platform-features --force-color-profile=srgb --test-type=gpu --enable-gpu-benchmarking --js-flags=--expose-gc --enable-logging=stderr --ensure-forced-color-profile --enable-net-benchmarking --metrics-recording-only --no-default-browser-check --no-first-run --enable-gpu-benchmarking --deny-permission-prompts --autoplay-policy=no-user-gesture-required --disable-background-networking --disable-component-extensions-with-background-pages --disable-default-apps --disable-search-geolocation-disclosure --proxy-server=socks://localhost:56185 --ignore-certificate-errors-spki-list=PhrPvGIaAMmd29hj8BCZOq096yj7uMpRNHpn5PDxI6I= --remote-debugging-port=0 --enable-crash-reporter-for-testing --disable-component-update --window-size=1280,1024 --user-data-dir="c:\b\s\w\it2bmcek\tmpvo78fh" --flag-switches-begin --flag-switches-end about:blank
  GPU device 0: VENDOR = 0x10de (Nvidia), DEVICE = 0x1cb3
  GPU Attributes:
    amd_switchable      : False
    can_support_threaded_texture_mailbox: False
    direct_composition  : True
    direct_rendering    : True
    driver_date         : 10-30-2017
    driver_vendor       : NVIDIA
    driver_version      : 23.21.13.8816
    encrypted_only      : False
    gl_extensions       : GL_ANGLE_client_arrays GL_ANGLE_depth_texture GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_instanced_arrays GL_ANGLE_lossy_etc_decode GL_ANGLE_pack_reverse_row_order GL_ANGLE_program_cache_control GL_ANGLE_request_extension GL_ANGLE_robust_client_memory GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_ANGLE_texture_usage GL_ANGLE_translated_shader_source GL_CHROMIUM_bind_generates_resource GL_CHROMIUM_bind_uniform_location GL_CHROMIUM_color_buffer_float_rgb GL_CHROMIUM_color_buffer_float_rgba GL_CHROMIUM_copy_compressed_texture GL_CHROMIUM_copy_texture GL_CHROMIUM_sync_query GL_EXT_blend_minmax GL_EXT_color_buffer_half_float GL_EXT_debug_marker GL_EXT_discard_framebuffer GL_EXT_disjoint_timer_query GL_EXT_draw_buffers GL_EXT_frag_depth GL_EXT_map_buffer_range GL_EXT_occlusion_query_boolean GL_EXT_read_format_bgra GL_EXT_robustness GL_EXT_sRGB GL_EXT_shader_texture_lod GL_EXT_texture_compression_dxt1 GL_EXT_texture_compression_s3tc_srgb GL_EXT_texture_filter_anisotropic GL_EXT_texture_format_BGRA8888 GL_EXT_texture_rg GL_EXT_texture_storage GL_EXT_unpack_subimage GL_KHR_debug GL_NV_EGL_stream_consumer_external GL_NV_fence GL_NV_pack_subimage GL_NV_pixel_buffer_object GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_compressed_ETC1_RGB8_texture GL_OES_depth32 GL_OES_element_index_uint GL_OES_get_program_binary GL_OES_mapbuffer GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_surfaceless_context GL_OES_texture_float GL_OES_texture_float_linear GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_vertex_array_object 
    gl_renderer         : ANGLE (NVIDIA Quadro P400 Direct3D11 vs_5_0 ps_5_0)
    gl_reset_notification_strategy: 33362
    gl_vendor           : Google Inc.
    gl_version          : OpenGL ES 2.0 (ANGLE 2.1.0.aba14ff52bea)
    gl_ws_extensions    : EGL_EXT_create_context_robustness EGL_ANGLE_d3d_share_handle_client_buffer EGL_ANGLE_d3d_texture_client_buffer EGL_ANGLE_surface_d3d_texture_2d_share_handle EGL_ANGLE_query_surface_pointer EGL_ANGLE_window_fixed_size EGL_ANGLE_keyed_mutex EGL_ANGLE_surface_orientation EGL_ANGLE_direct_composition EGL_NV_post_sub_buffer EGL_KHR_create_context EGL_EXT_device_query EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_gl_renderbuffer_image EGL_KHR_get_all_proc_addresses EGL_KHR_stream EGL_KHR_stream_consumer_gltexture EGL_NV_stream_consumer_gltexture_yuv EGL_ANGLE_flexible_surface_compatibility EGL_ANGLE_stream_producer_d3d_texture EGL_ANGLE_create_context_webgl_compatibility EGL_CHROMIUM_create_context_bind_generates_resource EGL_CHROMIUM_sync_control EGL_EXT_pixel_format_float EGL_KHR_surfaceless_context EGL_ANGLE_display_texture_share_group EGL_ANGLE_create_context_client_arrays EGL_ANGLE_program_cache_control EGL_ANGLE_robust_resource_initialization EGL_ANGLE_create_context_extensions_enabled 
    gl_ws_vendor        : Google Inc. (adapter LUID: 0000000000004b88)
    gl_ws_version       : 1.4 (ANGLE 2.1.0.aba14ff52bea)
    in_process_gpu      : False
    initialization_time : 0.17923
    jpeg_decode_accelerator_supported: False
    max_framerate_denominator: 1
    max_framerate_numerator: 30
    max_msaa_samples    : 8
    max_resolution_height: 2176
    max_resolution_width: 3840
    min_resolution_height: 16
    min_resolution_width: 16
    optimus             : False
    passthrough_cmd_decoder: True
    pixel_shader_version: 5.0
    process_crash_count : 0
    profile             : 3
    sandboxed           : True
    software_rendering  : False
    supports_overlays   : False
    vertex_shader_version: 5.0
    video_decode_accelerator_flags: 0
  Feature Status:
    2d_canvas           : enabled
    checker_imaging     : enabled_on
    flash_3d            : enabled
    flash_stage3d       : enabled
    flash_stage3d_baseline: enabled
    gpu_compositing     : enabled
    multiple_raster_threads: enabled_on
    native_gpu_memory_buffers: disabled_software
    rasterization       : enabled
    surface_synchronization: enabled_on
    video_decode        : enabled
    viz_display_compositor: disabled_off
    webgl               : enabled
    webgl2              : enabled
  Driver Bug Workarounds:
    clear_uniforms_before_first_program_use
    decode_encode_srgb_for_generatemipmap
    disable_delayed_copy_nv12
    disable_discard_framebuffer
    disable_framebuffer_cmaa
    exit_on_context_lost
    force_cube_complete
    scalarize_vec_and_mat_constructor_args
    texsubimage_faster_than_teximage
  Traceback (most recent call last):
    File "c:\b\s\w\ir\third_party\catapult\telemetry\telemetry\testing\serially_executed_browser_test_case.py", line 206, in <lambda>
      return lambda self: based_method(self, *args)
    File "c:\b\s\w\ir\content\test\gpu\gpu_tests\gpu_integration_test.py", line 132, in _RunGpuTest
      self.RunActualGpuTest(url, *args)
    File "c:\b\s\w\ir\content\test\gpu\gpu_tests\pixel_integration_test.py", line 183, in RunActualGpuTest
      self.fail('Reference image did not match captured screen')
  AssertionError: Reference image did not match captured screen
[6640:7012:0403/223024.481:WARNING:gaia_auth_fetcher.cc(873)] Could not reach Google Accounts servers: errno -120
Downloading gs://chromium-gpu-archive/reference-images/Pixel_OffscreenCanvasTransferToImageBitmapWorker_v2_win10_10de_1cb3_msaa.png to c:\b\s\w\it2bmcek\tmp9csure.png


* gpu_tests.pixel_integration_test.PixelIntegrationTest.Pixel_CanvasDisplayLinearRGBAccelerated2D

[9/46] gpu_tests.pixel_integration_test.PixelIntegrationTest.Pixel_CanvasDisplayLinearRGBAccelerated2D failed unexpectedly 16.8230s:
  See http://chromium-browser-gpu-tests.commondatastorage.googleapis.com/view_test_results.html?dafc5c799c298cace5368138de2f6dd451cf12fa_Win10_Debug_NVIDIA__telemetry for this run's test results
  Restarting browser with arguments: ['--force-color-profile=srgb', '--ensure-forced-color-profile', '--enable-gpu-benchmarking', '--test-type=gpu', '--enable-experimental-web-platform-features']
  Closing browser (pid=6952) ...
  Successfully shut down browser cooperatively
  Browser is closed.
  Chrome build location for win_AMD64 not found. Browser will be run without Flash.
  Chose browser: PossibleDesktopBrowser(type=debug, executable=c:\b\s\w\ir\out\Debug\chrome.exe, flash=None)
  Starting Chrome ['c:\\b\\s\\w\\ir\\out\\Debug\\chrome.exe', '--enable-experimental-web-platform-features', '--force-color-profile=srgb', '--test-type=gpu', '--enable-gpu-benchmarking', '--js-flags=--expose-gc', '--enable-logging=stderr', '--ensure-forced-color-profile', '--enable-net-benchmarking', '--metrics-recording-only', '--no-default-browser-check', '--no-first-run', '--enable-gpu-benchmarking', '--deny-permission-prompts', '--autoplay-policy=no-user-gesture-required', '--disable-background-networking', '--disable-component-extensions-with-background-pages', '--disable-default-apps', '--disable-search-geolocation-disclosure', '--proxy-server=socks://localhost:53620', '--ignore-certificate-errors-spki-list=PhrPvGIaAMmd29hj8BCZOq096yj7uMpRNHpn5PDxI6I=', '--remote-debugging-port=0', '--enable-crash-reporter-for-testing', '--disable-component-update', '--window-size=1280,1024', '--user-data-dir=c:\\b\\s\\w\\itzujsar\\tmpdrheob', 'about:blank']
  DoNothingForwarder started between 127.0.0.1:53868 and 53868
  Got devtools config: ws://127.0.0.1:53868/devtools/browser/06c0921e-e248-406c-bc6e-4d6825c9cba7
  Browser started (pid=7560).
  OS: win win10
  Detailed OS version: 10.0.15063
  Browser command line: "c:\b\s\w\ir\out\Debug\chrome.exe" --enable-experimental-web-platform-features --force-color-profile=srgb --test-type=gpu --enable-gpu-benchmarking --js-flags=--expose-gc --enable-logging=stderr --ensure-forced-color-profile --enable-net-benchmarking --metrics-recording-only --no-default-browser-check --no-first-run --enable-gpu-benchmarking --deny-permission-prompts --autoplay-policy=no-user-gesture-required --disable-background-networking --disable-component-extensions-with-background-pages --disable-default-apps --disable-search-geolocation-disclosure --proxy-server=socks://localhost:53620 --ignore-certificate-errors-spki-list=PhrPvGIaAMmd29hj8BCZOq096yj7uMpRNHpn5PDxI6I= --remote-debugging-port=0 --enable-crash-reporter-for-testing --disable-component-update --window-size=1280,1024 --user-data-dir="c:\b\s\w\itzujsar\tmpdrheob" --flag-switches-begin --flag-switches-end about:blank
  GPU device 0: VENDOR = 0x10de (Nvidia), DEVICE = 0x1cb3
  GPU Attributes:
    amd_switchable      : False
    can_support_threaded_texture_mailbox: False
    direct_composition  : True
    direct_rendering    : True
    driver_date         : 10-30-2017
    driver_vendor       : NVIDIA
    driver_version      : 23.21.13.8816
    encrypted_only      : False
    gl_extensions       : GL_ANGLE_client_arrays GL_ANGLE_depth_texture GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_instanced_arrays GL_ANGLE_lossy_etc_decode GL_ANGLE_pack_reverse_row_order GL_ANGLE_program_cache_control GL_ANGLE_request_extension GL_ANGLE_robust_client_memory GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_ANGLE_texture_usage GL_ANGLE_translated_shader_source GL_CHROMIUM_bind_generates_resource GL_CHROMIUM_bind_uniform_location GL_CHROMIUM_color_buffer_float_rgb GL_CHROMIUM_color_buffer_float_rgba GL_CHROMIUM_copy_compressed_texture GL_CHROMIUM_copy_texture GL_CHROMIUM_sync_query GL_EXT_blend_minmax GL_EXT_color_buffer_half_float GL_EXT_debug_marker GL_EXT_discard_framebuffer GL_EXT_disjoint_timer_query GL_EXT_draw_buffers GL_EXT_frag_depth GL_EXT_map_buffer_range GL_EXT_occlusion_query_boolean GL_EXT_read_format_bgra GL_EXT_robustness GL_EXT_sRGB GL_EXT_shader_texture_lod GL_EXT_texture_compression_dxt1 GL_EXT_texture_compression_s3tc_srgb GL_EXT_texture_filter_anisotropic GL_EXT_texture_format_BGRA8888 GL_EXT_texture_rg GL_EXT_texture_storage GL_EXT_unpack_subimage GL_KHR_debug GL_NV_EGL_stream_consumer_external GL_NV_fence GL_NV_pack_subimage GL_NV_pixel_buffer_object GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_compressed_ETC1_RGB8_texture GL_OES_depth32 GL_OES_element_index_uint GL_OES_get_program_binary GL_OES_mapbuffer GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_surfaceless_context GL_OES_texture_float GL_OES_texture_float_linear GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_vertex_array_object 
    gl_renderer         : ANGLE (NVIDIA Quadro P400 Direct3D11 vs_5_0 ps_5_0)
    gl_reset_notification_strategy: 33362
    gl_vendor           : Google Inc.
    gl_version          : OpenGL ES 2.0 (ANGLE 2.1.0.aba14ff52bea)
    gl_ws_extensions    : EGL_EXT_create_context_robustness EGL_ANGLE_d3d_share_handle_client_buffer EGL_ANGLE_d3d_texture_client_buffer EGL_ANGLE_surface_d3d_texture_2d_share_handle EGL_ANGLE_query_surface_pointer EGL_ANGLE_window_fixed_size EGL_ANGLE_keyed_mutex EGL_ANGLE_surface_orientation EGL_ANGLE_direct_composition EGL_NV_post_sub_buffer EGL_KHR_create_context EGL_EXT_device_query EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_gl_renderbuffer_image EGL_KHR_get_all_proc_addresses EGL_KHR_stream EGL_KHR_stream_consumer_gltexture EGL_NV_stream_consumer_gltexture_yuv EGL_ANGLE_flexible_surface_compatibility EGL_ANGLE_stream_producer_d3d_texture EGL_ANGLE_create_context_webgl_compatibility EGL_CHROMIUM_create_context_bind_generates_resource EGL_CHROMIUM_sync_control EGL_EXT_pixel_format_float EGL_KHR_surfaceless_context EGL_ANGLE_display_texture_share_group EGL_ANGLE_create_context_client_arrays EGL_ANGLE_program_cache_control EGL_ANGLE_robust_resource_initialization EGL_ANGLE_create_context_extensions_enabled 
    gl_ws_vendor        : Google Inc. (adapter LUID: 0000000000004b43)
    gl_ws_version       : 1.4 (ANGLE 2.1.0.aba14ff52bea)
    in_process_gpu      : False
    initialization_time : 0.168487
    jpeg_decode_accelerator_supported: False
    max_framerate_denominator: 1
    max_framerate_numerator: 30
    max_msaa_samples    : 8
    max_resolution_height: 2176
    max_resolution_width: 3840
    min_resolution_height: 16
    min_resolution_width: 16
    optimus             : False
    passthrough_cmd_decoder: True
    pixel_shader_version: 5.0
    process_crash_count : 0
    profile             : 3
    sandboxed           : True
    software_rendering  : False
    supports_overlays   : False
    vertex_shader_version: 5.0
    video_decode_accelerator_flags: 0
  Feature Status:
    2d_canvas           : enabled
    checker_imaging     : enabled_on
    flash_3d            : enabled
    flash_stage3d       : enabled
    flash_stage3d_baseline: enabled
    gpu_compositing     : enabled
    multiple_raster_threads: enabled_on
    native_gpu_memory_buffers: disabled_software
    rasterization       : enabled
    surface_synchronization: enabled_on
    video_decode        : enabled
    viz_display_compositor: disabled_off
    webgl               : enabled
    webgl2              : enabled
  Driver Bug Workarounds:
    clear_uniforms_before_first_program_use
    decode_encode_srgb_for_generatemipmap
    disable_delayed_copy_nv12
    disable_discard_framebuffer
    disable_framebuffer_cmaa
    exit_on_context_lost
    force_cube_complete
    scalarize_vec_and_mat_constructor_args
    texsubimage_faster_than_teximage
  Downloading gs://chromium-gpu-archive/reference-images/Pixel_CanvasDisplayLinearRGBAccelerated2D_v1_win10_10de_1cb3_msaa.png to c:\b\s\w\itzujsar\tmpgdttli.png
  Uploading c:\b\s\w\itzujsar\tmpypnahu.png to gs://chromium-browser-gpu-tests/runs/dafc5c799c298cace5368138de2f6dd451cf12fa_Win10_Debug_NVIDIA__telemetry/gen/Pixel_CanvasDisplayLinearRGBAccelerated2D_dafc5c799c298cace5368138de2f6dd451cf12fa.png (publicly readable)
  Uploading c:\b\s\w\itzujsar\tmpfrzjvx.png to gs://chromium-browser-gpu-tests/runs/dafc5c799c298cace5368138de2f6dd451cf12fa_Win10_Debug_NVIDIA__telemetry/ref/Pixel_CanvasDisplayLinearRGBAccelerated2D_dafc5c799c298cace5368138de2f6dd451cf12fa.png (publicly readable)
  Uploading c:\b\s\w\itzujsar\tmpsunute.png to gs://chromium-browser-gpu-tests/runs/dafc5c799c298cace5368138de2f6dd451cf12fa_Win10_Debug_NVIDIA__telemetry/diff/Pixel_CanvasDisplayLinearRGBAccelerated2D_dafc5c799c298cace5368138de2f6dd451cf12fa.png (publicly readable)
  
  Traceback (most recent call last):
    _RunGpuTest at content\test\gpu\gpu_tests\gpu_integration_test.py:132
      self.RunActualGpuTest(url, *args)
    RunActualGpuTest at content\test\gpu\gpu_tests\pixel_integration_test.py:183
      self.fail('Reference image did not match captured screen')
    fail at .swarming_module\bin\Lib\unittest\case.py:410
      raise self.failureException(msg)
  AssertionError: Reference image did not match captured screen
  
  Locals:
    msg : 'Reference image did not match captured screen'
  
  Found crashpad_database_util
  No minidump found via crashpad_database_util
  No minidump paths to symbolize
  Found crashpad_database_util
  No minidump found via crashpad_database_util
  Restarting browser due to unexpected test failure
  Closing browser (pid=7560) ...
  Successfully shut down browser cooperatively
  Browser is closed.
  Starting Chrome ['c:\\b\\s\\w\\ir\\out\\Debug\\chrome.exe', '--enable-experimental-web-platform-features', '--force-color-profile=srgb', '--test-type=gpu', '--enable-gpu-benchmarking', '--js-flags=--expose-gc', '--enable-logging=stderr', '--ensure-forced-color-profile', '--enable-net-benchmarking', '--metrics-recording-only', '--no-default-browser-check', '--no-first-run', '--enable-gpu-benchmarking', '--deny-permission-prompts', '--autoplay-policy=no-user-gesture-required', '--disable-background-networking', '--disable-component-extensions-with-background-pages', '--disable-default-apps', '--disable-search-geolocation-disclosure', '--proxy-server=socks://localhost:53620', '--ignore-certificate-errors-spki-list=PhrPvGIaAMmd29hj8BCZOq096yj7uMpRNHpn5PDxI6I=', '--remote-debugging-port=0', '--enable-crash-reporter-for-testing', '--disable-component-update', '--window-size=1280,1024', '--user-data-dir=c:\\b\\s\\w\\itzujsar\\tmphao220', 'about:blank']
  DoNothingForwarder started between 127.0.0.1:53919 and 53919
  Got devtools config: ws://127.0.0.1:53919/devtools/browser/8f55bda1-194d-4008-858b-2ab30e7da2c0
  Browser started (pid=688).
  OS: win win10
  Detailed OS version: 10.0.15063
  Browser command line: "c:\b\s\w\ir\out\Debug\chrome.exe" --enable-experimental-web-platform-features --force-color-profile=srgb --test-type=gpu --enable-gpu-benchmarking --js-flags=--expose-gc --enable-logging=stderr --ensure-forced-color-profile --enable-net-benchmarking --metrics-recording-only --no-default-browser-check --no-first-run --enable-gpu-benchmarking --deny-permission-prompts --autoplay-policy=no-user-gesture-required --disable-background-networking --disable-component-extensions-with-background-pages --disable-default-apps --disable-search-geolocation-disclosure --proxy-server=socks://localhost:53620 --ignore-certificate-errors-spki-list=PhrPvGIaAMmd29hj8BCZOq096yj7uMpRNHpn5PDxI6I= --remote-debugging-port=0 --enable-crash-reporter-for-testing --disable-component-update --window-size=1280,1024 --user-data-dir="c:\b\s\w\itzujsar\tmphao220" --flag-switches-begin --flag-switches-end about:blank
  GPU device 0: VENDOR = 0x10de (Nvidia), DEVICE = 0x1cb3
  GPU Attributes:
    amd_switchable      : False
    can_support_threaded_texture_mailbox: False
    direct_composition  : True
    direct_rendering    : True
    driver_date         : 10-30-2017
    driver_vendor       : NVIDIA
    driver_version      : 23.21.13.8816
    encrypted_only      : False
    gl_extensions       : GL_ANGLE_client_arrays GL_ANGLE_depth_texture GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_instanced_arrays GL_ANGLE_lossy_etc_decode GL_ANGLE_pack_reverse_row_order GL_ANGLE_program_cache_control GL_ANGLE_request_extension GL_ANGLE_robust_client_memory GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_ANGLE_texture_usage GL_ANGLE_translated_shader_source GL_CHROMIUM_bind_generates_resource GL_CHROMIUM_bind_uniform_location GL_CHROMIUM_color_buffer_float_rgb GL_CHROMIUM_color_buffer_float_rgba GL_CHROMIUM_copy_compressed_texture GL_CHROMIUM_copy_texture GL_CHROMIUM_sync_query GL_EXT_blend_minmax GL_EXT_color_buffer_half_float GL_EXT_debug_marker GL_EXT_discard_framebuffer GL_EXT_disjoint_timer_query GL_EXT_draw_buffers GL_EXT_frag_depth GL_EXT_map_buffer_range GL_EXT_occlusion_query_boolean GL_EXT_read_format_bgra GL_EXT_robustness GL_EXT_sRGB GL_EXT_shader_texture_lod GL_EXT_texture_compression_dxt1 GL_EXT_texture_compression_s3tc_srgb GL_EXT_texture_filter_anisotropic GL_EXT_texture_format_BGRA8888 GL_EXT_texture_rg GL_EXT_texture_storage GL_EXT_unpack_subimage GL_KHR_debug GL_NV_EGL_stream_consumer_external GL_NV_fence GL_NV_pack_subimage GL_NV_pixel_buffer_object GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_compressed_ETC1_RGB8_texture GL_OES_depth32 GL_OES_element_index_uint GL_OES_get_program_binary GL_OES_mapbuffer GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_surfaceless_context GL_OES_texture_float GL_OES_texture_float_linear GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_vertex_array_object 
    gl_renderer         : ANGLE (NVIDIA Quadro P400 Direct3D11 vs_5_0 ps_5_0)
    gl_reset_notification_strategy: 33362
    gl_vendor           : Google Inc.
    gl_version          : OpenGL ES 2.0 (ANGLE 2.1.0.aba14ff52bea)
    gl_ws_extensions    : EGL_EXT_create_context_robustness EGL_ANGLE_d3d_share_handle_client_buffer EGL_ANGLE_d3d_texture_client_buffer EGL_ANGLE_surface_d3d_texture_2d_share_handle EGL_ANGLE_query_surface_pointer EGL_ANGLE_window_fixed_size EGL_ANGLE_keyed_mutex EGL_ANGLE_surface_orientation EGL_ANGLE_direct_composition EGL_NV_post_sub_buffer EGL_KHR_create_context EGL_EXT_device_query EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_gl_renderbuffer_image EGL_KHR_get_all_proc_addresses EGL_KHR_stream EGL_KHR_stream_consumer_gltexture EGL_NV_stream_consumer_gltexture_yuv EGL_ANGLE_flexible_surface_compatibility EGL_ANGLE_stream_producer_d3d_texture EGL_ANGLE_create_context_webgl_compatibility EGL_CHROMIUM_create_context_bind_generates_resource EGL_CHROMIUM_sync_control EGL_EXT_pixel_format_float EGL_KHR_surfaceless_context EGL_ANGLE_display_texture_share_group EGL_ANGLE_create_context_client_arrays EGL_ANGLE_program_cache_control EGL_ANGLE_robust_resource_initialization EGL_ANGLE_create_context_extensions_enabled 
    gl_ws_vendor        : Google Inc. (adapter LUID: 0000000000004b43)
    gl_ws_version       : 1.4 (ANGLE 2.1.0.aba14ff52bea)
    in_process_gpu      : False
    initialization_time : 0.172748
    jpeg_decode_accelerator_supported: False
    max_framerate_denominator: 1
    max_framerate_numerator: 30
    max_msaa_samples    : 8
    max_resolution_height: 2176
    max_resolution_width: 3840
    min_resolution_height: 16
    min_resolution_width: 16
    optimus             : False
    passthrough_cmd_decoder: True
    pixel_shader_version: 5.0
    process_crash_count : 0
    profile             : 3
    sandboxed           : True
    software_rendering  : False
    supports_overlays   : False
    vertex_shader_version: 5.0
    video_decode_accelerator_flags: 0
  Feature Status:
    2d_canvas           : enabled
    checker_imaging     : enabled_on
    flash_3d            : enabled
    flash_stage3d       : enabled
    flash_stage3d_baseline: enabled
    gpu_compositing     : enabled
    multiple_raster_threads: enabled_on
    native_gpu_memory_buffers: disabled_software
    rasterization       : enabled
    surface_synchronization: enabled_on
    video_decode        : enabled
    viz_display_compositor: disabled_off
    webgl               : enabled
    webgl2              : enabled
  Driver Bug Workarounds:
    clear_uniforms_before_first_program_use
    decode_encode_srgb_for_generatemipmap
    disable_delayed_copy_nv12
    disable_discard_framebuffer
    disable_framebuffer_cmaa
    exit_on_context_lost
    force_cube_complete
    scalarize_vec_and_mat_constructor_args
    texsubimage_faster_than_teximage
  Traceback (most recent call last):
    File "c:\b\s\w\ir\third_party\catapult\telemetry\telemetry\testing\serially_executed_browser_test_case.py", line 206, in <lambda>
      return lambda self: based_method(self, *args)
    File "c:\b\s\w\ir\content\test\gpu\gpu_tests\gpu_integration_test.py", line 132, in _RunGpuTest
      self.RunActualGpuTest(url, *args)
    File "c:\b\s\w\ir\content\test\gpu\gpu_tests\pixel_integration_test.py", line 183, in RunActualGpuTest
      self.fail('Reference image did not match captured screen')
  AssertionError: Reference image did not match captured screen
Restarting browser with arguments: ['--force-color-profile=srgb', '--ensure-forced-color-profile', '--enable-gpu-benchmarking', '--test-type=gpu', '--enable-experimental-web-platform-features', '--disable-accelerated-2d-canvas', '--disable-gpu-compositing']
Closing browser (pid=688) ...
[6088:6976:0405/215042.587:ERROR:gles2_cmd_decoder_passthrough_doers.cc(4126)] NOT IMPLEMENTED
[688:8256:0405/215042.888:WARNING:discardable_shared_memory_manager.cc(436)] Some MojoDiscardableSharedMemoryManagerImpls are still alive. They will be leaked.
[688:1036:0405/215043.214:WARNING:sqlite_persistent_cookie_store.cc(1542)] Failed to post task from FinishedLoadingCookies@../../net/extras/sqlite/sqlite_persistent_cookie_store.cc:1550 to client_task_runner_.
[688:1036:0405/215043.214:WARNING:sqlite_persistent_cookie_store.cc(1542)] Failed to post task from LoadKeyAndNotifyInBackground@../../net/extras/sqlite/sqlite_persistent_cookie_store.cc:632 to client_task_runner_.
[688:1312:0405/215043.219:WARNING:url_request_context_getter.cc(43)] URLRequestContextGetter leaking due to no owning thread.
[688:1312:0405/215043.222:WARNING:pref_notifier_impl.cc(23)] Pref observer found at shutdown.
Successfully shut down browser cooperatively
Browser is closed.
Chrome build location for win_AMD64 not found. Browser will be run without Flash.
Chose browser: PossibleDesktopBrowser(type=debug, executable=c:\b\s\w\ir\out\Debug\chrome.exe, flash=None)
Starting Chrome ['c:\\b\\s\\w\\ir\\out\\Debug\\chrome.exe', '--disable-gpu-compositing', '--enable-experimental-web-platform-features', '--force-color-profile=srgb', '--test-type=gpu', '--enable-gpu-benchmarking', '--js-flags=--expose-gc', '--enable-logging=stderr', '--ensure-forced-color-profile', '--disable-accelerated-2d-canvas', '--enable-net-benchmarking', '--metrics-recording-only', '--no-default-browser-check', '--no-first-run', '--enable-gpu-benchmarking', '--deny-permission-prompts', '--autoplay-policy=no-user-gesture-required', '--disable-background-networking', '--disable-component-extensions-with-background-pages', '--disable-default-apps', '--disable-search-geolocation-disclosure', '--proxy-server=socks://localhost:53620', '--ignore-certificate-errors-spki-list=PhrPvGIaAMmd29hj8BCZOq096yj7uMpRNHpn5PDxI6I=', '--remote-debugging-port=0', '--enable-crash-reporter-for-testing', '--disable-component-update', '--window-size=1280,1024', '--user-data-dir=c:\\b\\s\\w\\itzujsar\\tmpq2rljh', 'about:blank']
[1996:6908:0405/215043.603:ERROR:memory_mapped_file.cc(53)] Couldn't open c:\b\s\w\ir\out\Debug\chrome_200_percent.pak
[1996:6908:0405/215043.603:ERROR:data_pack.cc(251)] Failed to mmap datapack
[1996:6908:0405/215043.691:ERROR:gpu_process_transport_factory.cc(1017)] Lost UI shared context.
[1996:2740:0405/215043.811:WARNING:discovery_network_list_win.cc(195)] Failed to open Wlan client handle: 1062

DevTools listening on ws://127.0.0.1:53927/devtools/browser/c5d1d8a8-a657-443c-81ca-670f78ec6c87
DoNothingForwarder started between 127.0.0.1:53927 and 53927
Got devtools config: ws://127.0.0.1:53927/devtools/browser/c5d1d8a8-a657-443c-81ca-670f78ec6c87
[0405/215044.217:ERROR:memory_mapped_file.cc(53)] Couldn't open c:\b\s\w\ir\out\Debug\chrome_200_percent.pak
[0405/215044.217:ERROR:data_pack.cc(251)] Failed to mmap datapack
[9028:3740:0405/215044.261:WARNING:angle_platform_impl.cc(59)] initializeD3DDevice(770): Failed creating Debug D3D11 device - falling back to release runtime.
Browser started (pid=1996).
OS: win win10
Detailed OS version: 10.0.15063
Browser command line: "c:\b\s\w\ir\out\Debug\chrome.exe" --disable-gpu-compositing --enable-experimental-web-platform-features --force-color-profile=srgb --test-type=gpu --enable-gpu-benchmarking --js-flags=--expose-gc --enable-logging=stderr --ensure-forced-color-profile --disable-accelerated-2d-canvas --enable-net-benchmarking --metrics-recording-only --no-default-browser-check --no-first-run --enable-gpu-benchmarking --deny-permission-prompts --autoplay-policy=no-user-gesture-required --disable-background-networking --disable-component-extensions-with-background-pages --disable-default-apps --disable-search-geolocation-disclosure --proxy-server=socks://localhost:53620 --ignore-certificate-errors-spki-list=PhrPvGIaAMmd29hj8BCZOq096yj7uMpRNHpn5PDxI6I= --remote-debugging-port=0 --enable-crash-reporter-for-testing --disable-component-update --window-size=1280,1024 --user-data-dir="c:\b\s\w\itzujsar\tmpq2rljh" --flag-switches-begin --flag-switches-end about:blank
GPU device 0: VENDOR = 0x10de (Nvidia), DEVICE = 0x1cb3
GPU Attributes:
  amd_switchable      : False
  can_support_threaded_texture_mailbox: False
  direct_composition  : True
  direct_rendering    : True
  driver_date         : 10-30-2017
  driver_vendor       : NVIDIA
  driver_version      : 23.21.13.8816
  encrypted_only      : False
  gl_extensions       : GL_ANGLE_client_arrays GL_ANGLE_depth_texture GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_instanced_arrays GL_ANGLE_lossy_etc_decode GL_ANGLE_pack_reverse_row_order GL_ANGLE_program_cache_control GL_ANGLE_request_extension GL_ANGLE_robust_client_memory GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_ANGLE_texture_usage GL_ANGLE_translated_shader_source GL_CHROMIUM_bind_generates_resource GL_CHROMIUM_bind_uniform_location GL_CHROMIUM_color_buffer_float_rgb GL_CHROMIUM_color_buffer_float_rgba GL_CHROMIUM_copy_compressed_texture GL_CHROMIUM_copy_texture GL_CHROMIUM_sync_query GL_EXT_blend_minmax GL_EXT_color_buffer_half_float GL_EXT_debug_marker GL_EXT_discard_framebuffer GL_EXT_disjoint_timer_query GL_EXT_draw_buffers GL_EXT_frag_depth GL_EXT_map_buffer_range GL_EXT_occlusion_query_boolean GL_EXT_read_format_bgra GL_EXT_robustness GL_EXT_sRGB GL_EXT_shader_texture_lod GL_EXT_texture_compression_dxt1 GL_EXT_texture_compression_s3tc_srgb GL_EXT_texture_filter_anisotropic GL_EXT_texture_format_BGRA8888 GL_EXT_texture_rg GL_EXT_texture_storage GL_EXT_unpack_subimage GL_KHR_debug GL_NV_EGL_stream_consumer_external GL_NV_fence GL_NV_pack_subimage GL_NV_pixel_buffer_object GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_compressed_ETC1_RGB8_texture GL_OES_depth32 GL_OES_element_index_uint GL_OES_get_program_binary GL_OES_mapbuffer GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_surfaceless_context GL_OES_texture_float GL_OES_texture_float_linear GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_vertex_array_object 
  gl_renderer         : ANGLE (NVIDIA Quadro P400 Direct3D11 vs_5_0 ps_5_0)
  gl_reset_notification_strategy: 33362
  gl_vendor           : Google Inc.
  gl_version          : OpenGL ES 2.0 (ANGLE 2.1.0.aba14ff52bea)
  gl_ws_extensions    : EGL_EXT_create_context_robustness EGL_ANGLE_d3d_share_handle_client_buffer EGL_ANGLE_d3d_texture_client_buffer EGL_ANGLE_surface_d3d_texture_2d_share_handle EGL_ANGLE_query_surface_pointer EGL_ANGLE_window_fixed_size EGL_ANGLE_keyed_mutex EGL_ANGLE_surface_orientation EGL_ANGLE_direct_composition EGL_NV_post_sub_buffer EGL_KHR_create_context EGL_EXT_device_query EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_gl_renderbuffer_image EGL_KHR_get_all_proc_addresses EGL_KHR_stream EGL_KHR_stream_consumer_gltexture EGL_NV_stream_consumer_gltexture_yuv EGL_ANGLE_flexible_surface_compatibility EGL_ANGLE_stream_producer_d3d_texture EGL_ANGLE_create_context_webgl_compatibility EGL_CHROMIUM_create_context_bind_generates_resource EGL_CHROMIUM_sync_control EGL_EXT_pixel_format_float EGL_KHR_surfaceless_context EGL_ANGLE_display_texture_share_group EGL_ANGLE_create_context_client_arrays EGL_ANGLE_program_cache_control EGL_ANGLE_robust_resource_initialization EGL_ANGLE_create_context_extensions_enabled 
  gl_ws_vendor        : Google Inc. (adapter LUID: 0000000000004b43)
  gl_ws_version       : 1.4 (ANGLE 2.1.0.aba14ff52bea)
  in_process_gpu      : False
  initialization_time : 0.23743
  jpeg_decode_accelerator_supported: False
  max_framerate_denominator: 1
  max_framerate_numerator: 30
  max_msaa_samples    : 8
  max_resolution_height: 2176
  max_resolution_width: 3840
  min_resolution_height: 16
  min_resolution_width: 16
  optimus             : False
  passthrough_cmd_decoder: True
  pixel_shader_version: 5.0
  process_crash_count : 0
  profile             : 3
  sandboxed           : True
  software_rendering  : False
  supports_overlays   : False
  vertex_shader_version: 5.0
  video_decode_accelerator_flags: 0
Feature Status:
  2d_canvas           : disabled_software
  checker_imaging     : enabled_on
  flash_3d            : enabled
  flash_stage3d       : enabled
  flash_stage3d_baseline: enabled
  gpu_compositing     : disabled_software
  multiple_raster_threads: enabled_on
  native_gpu_memory_buffers: disabled_software
  rasterization       : enabled
  surface_synchronization: enabled_on
  video_decode        : enabled
  viz_display_compositor: disabled_off
  webgl               : enabled
  webgl2              : enabled
Driver Bug Workarounds:
  clear_uniforms_before_first_program_use
  decode_encode_srgb_for_generatemipmap
  disable_delayed_copy_nv12
  disable_discard_framebuffer
  disable_framebuffer_cmaa
  exit_on_context_lost
  force_cube_complete
  scalarize_vec_and_mat_constructor_args
  texsubimage_faster_than_teximage
[1996:6908:0405/215046.630:WARNING:gaia_auth_fetcher.cc(873)] Could not reach Google Accounts servers: errno -120
Downloading gs://chromium-gpu-archive/reference-images/Pixel_CanvasDisplayLinearRGBUnaccelerated2D_v1_win10_10de_1cb3_msaa.png to c:\b\s\w\itzujsar\tmpkggfr1.png