UserAgent: Mozilla/5.0 (X11; CrOS armv7l 11151.11.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.21 Safari/537.36
Platform: 11151.11.0 (Official Build) beta-channel veyron_minnie

Example URL:
https://mail.google.com/mail/u/0/#inbox

Steps to reproduce the problem:
1. Receive a call at Google Voice number on Chromebook.
2. In Gmail, click the receiver icon to take the call.
3. Listen to the sound.

What is the expected behavior?
Sounds at normal speed.

What went wrong?
Sounds are audible but play at an extremely slow speed.

Did this work before? Yes v70

Is it a problem with Flash or HTML5? HTML5

Does this work in other browsers? N/A

Chrome version: 71.0.3578.21  Channel: beta
OS Version: 11151.11.0
Flash Version: 31.0.0.122 /opt/google/chrome/pepper/libpepflashplayer.so

Contents of chrome://gpu: 

Graphics Feature Status
Canvas: Hardware accelerated
Flash: Hardware accelerated
Flash Stage3D: Hardware accelerated
Flash Stage3D Baseline profile: Hardware accelerated
Compositing: Hardware accelerated
Multiple Raster Threads: Enabled
Native GpuMemoryBuffers: Software only. Hardware acceleration disabled
Out-of-process Rasterization: Hardware accelerated
Hardware Protected Video Decode: Unavailable
Rasterization: Hardware accelerated
Skia Deferred Display List: Disabled
Skia Renderer: Disabled
Surface Control: Disabled
Surface Synchronization: Enabled
Video Decode: Hardware accelerated
Viz Service Display Compositor: Disabled
WebGL: Hardware accelerated
WebGL2: Hardware accelerated
Driver Bug Workarounds
clear_uniforms_before_first_program_use
disable_discard_framebuffer
disable_framebuffer_cmaa
disable_non_empty_post_sub_buffers_for_onscreen_surfaces
disable_program_caching_for_transform_feedback
scalarize_vec_and_mat_constructor_args
use_virtualized_gl_contexts
disabled_extension_GL_KHR_blend_equation_advanced
disabled_extension_GL_KHR_blend_equation_advanced_coherent
Problems Detected
Protected video decoding with swap chain is for Windows and Intel only
Disabled Features: protected_video_decode
The Mali-Txxx driver does not guarantee flush ordering: 154715, 10068, 269829, 294779, 285292
Applied Workarounds: use_virtualized_gl_contexts
Framebuffer discarding causes jumpy scrolling on Mali drivers: 301988
Applied Workarounds: disable_discard_framebuffer
Clear uniforms before first program use on all platforms: 124764, 349137
Applied Workarounds: clear_uniforms_before_first_program_use
Always rewrite vec/mat constructors to be consistent: 398694
Applied Workarounds: scalarize_vec_and_mat_constructor_args
The Mali-Txxx driver hangs when reading from currently displayed buffer: 457511
Applied Workarounds: disable_non_empty_post_sub_buffers_for_onscreen_surfaces
Use GL_INTEL_framebuffer_CMAA on ChromeOS: 535198
Applied Workarounds: disable_framebuffer_cmaa
Disable KHR_blend_equation_advanced until cc shaders are updated: 661715
Applied Workarounds: disable(GL_KHR_blend_equation_advanced), disable(GL_KHR_blend_equation_advanced_coherent)
Program binaries don't contain transform feedback varyings on Mali GPUs: 778871
Applied Workarounds: disable_program_caching_for_transform_feedback
Native GpuMemoryBuffers have been disabled, either via about:flags or command line.
Disabled Features: native_gpu_memory_buffers
Viz service display compositor is not enabled by default.
Disabled Features: viz_display_compositor
Skia renderer is not used by default.
Disabled Features: skia_renderer
Skia deferred display list is not used by default.
Disabled Features: skia_deferred_display_list
Version Information
Data exported	2018-10-28T22:27:12.130Z
Chrome version	Chrome/71.0.3578.21
Operating system	Linux 11151.11.0
Software rendering list URL	https://chromium.googlesource.com/chromium/src/+/a8eaa26553c695bf6c33340d637886b3f1e2c6a9/gpu/config/software_rendering_list.json
Driver bug list URL	https://chromium.googlesource.com/chromium/src/+/a8eaa26553c695bf6c33340d637886b3f1e2c6a9/gpu/config/gpu_driver_bug_list.json
ANGLE commit id	f2ed299569c0
2D graphics backend	Skia/71 9c37cd96e4c8158643dbde6fd3eda1b42e267bec-
Command Line	/opt/google/chrome/chrome --ppapi-flash-path=/opt/google/chrome/pepper/libpepflashplayer.so --ppapi-flash-version=31.0.0.122 --ui-prioritize-in-gpu-process --use-gl=egl --gpu-sandbox-failures-fatal=yes --gpu-sandbox-start-early --enable-logging --log-level=1 --use-cras --enable-wayland-server --user-data-dir=/home/chronos --login-profile=user --has-chromeos-keyboard --enable-touchview --guest-wallpaper-large=/usr/share/chromeos-assets/wallpaper/guest_large.jpg --guest-wallpaper-small=/usr/share/chromeos-assets/wallpaper/guest_small.jpg --child-wallpaper-large=/usr/share/chromeos-assets/wallpaper/child_large.jpg --child-wallpaper-small=/usr/share/chromeos-assets/wallpaper/child_small.jpg --default-wallpaper-large=/usr/share/chromeos-assets/wallpaper/oem_large.jpg --default-wallpaper-small=/usr/share/chromeos-assets/wallpaper/oem_small.jpg --default-wallpaper-is-oem --enable-consumer-kiosk --arc-availability=officially-supported --arc-transition-migration-required --enterprise-enrollment-initial-modulus=15 --enterprise-enrollment-modulus-limit=19 --login-manager --policy-switches-begin --enable-features=DockedMagnifier,InstantTethering,PictureInPicture --policy-switches-end --first-exec-after-boot --vmodule=*arc/*=1,nss_cert_database_chromeos=1,*/assistant/*=1,*chromeos/login/*=1,auto_enrollment_controller=1,*/ui/ozone/*=1,*/ui/display/manager/chromeos/*=1,*night_light*=1,update_engine=1,component_updater_service=1,power_button_observer=2,webui_login_view=2,lock_state_controller=2,webui_screen_locker=2,screen_locker=2 --enable-features=DockedMagnifier,InstantTethering,PictureInPicture
Driver Information
Initialization time	39
In-process GPU	false
Passthrough Command Decoder	false
Sandboxed	true
GPU0	VENDOR = 0x0000 [ARM], DEVICE= 0x0000 [Mali-T760] *ACTIVE*
Optimus	false
AMD switchable	false
Driver vendor	ARM
Driver version	26.0.01rel0
Driver date	
GPU CUDA compute capability major version	0
Pixel shader version	3.20
Vertex shader version	3.20
Max. MSAA samples	8
Machine model name	
Machine model version	
GL_VENDOR	ARM
GL_RENDERER	Mali-T760
GL_VERSION	OpenGL ES 3.2 v1.r26p0-01rel0.00c25e40ab46ce520074d49363f70eb2
GL_EXTENSIONS	GL_ARM_rgba8 GL_ARM_mali_shader_binary GL_OES_depth24 GL_OES_depth_texture GL_OES_depth_texture_cube_map GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_EXT_read_format_bgra GL_OES_compressed_paletted_texture GL_OES_compressed_ETC1_RGB8_texture GL_OES_standard_derivatives GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_EGL_image_external_essl3 GL_OES_EGL_sync GL_OES_texture_npot GL_OES_vertex_half_float GL_OES_required_internalformat GL_OES_vertex_array_object GL_OES_mapbuffer GL_EXT_texture_format_BGRA8888 GL_EXT_texture_rg GL_EXT_texture_type_2_10_10_10_REV GL_OES_fbo_render_mipmap GL_OES_element_index_uint GL_EXT_shadow_samplers GL_OES_texture_compression_astc GL_KHR_texture_compression_astc_ldr GL_KHR_texture_compression_astc_hdr GL_KHR_texture_compression_astc_sliced_3d GL_KHR_debug GL_EXT_occlusion_query_boolean GL_EXT_disjoint_timer_query GL_EXT_blend_minmax GL_EXT_discard_framebuffer GL_OES_get_program_binary GL_OES_texture_3D GL_EXT_texture_storage GL_EXT_multisampled_render_to_texture GL_EXT_multisampled_render_to_texture2 GL_OES_surfaceless_context GL_OES_texture_stencil8 GL_EXT_shader_pixel_local_storage GL_ARM_shader_framebuffer_fetch GL_ARM_shader_framebuffer_fetch_depth_stencil GL_ARM_mali_program_binary GL_EXT_sRGB GL_EXT_sRGB_write_control GL_EXT_texture_sRGB_decode GL_EXT_texture_sRGB_R8 GL_EXT_texture_sRGB_RG8 GL_KHR_blend_equation_advanced GL_KHR_blend_equation_advanced_coherent GL_OES_texture_storage_multisample_2d_array GL_OES_shader_image_atomic GL_EXT_robustness GL_EXT_draw_buffers_indexed GL_OES_draw_buffers_indexed GL_EXT_texture_border_clamp GL_OES_texture_border_clamp GL_EXT_texture_cube_map_array GL_OES_texture_cube_map_array GL_OES_sample_variables GL_OES_sample_shading GL_OES_shader_multisample_interpolation GL_EXT_shader_io_blocks GL_OES_shader_io_blocks GL_EXT_tessellation_shader GL_OES_tessellation_shader GL_EXT_primitive_bounding_box GL_OES_primitive_bounding_box GL_EXT_geometry_shader GL_OES_geometry_shader GL_ANDROID_extension_pack_es31a GL_EXT_gpu_shader5 GL_OES_gpu_shader5 GL_EXT_texture_buffer GL_OES_texture_buffer GL_EXT_copy_image GL_OES_copy_image GL_EXT_shader_non_constant_global_initializers GL_EXT_color_buffer_half_float GL_EXT_color_buffer_float GL_EXT_YUV_target GL_OVR_multiview GL_OVR_multiview2 GL_OVR_multiview_multisampled_render_to_texture GL_KHR_robustness GL_KHR_robust_buffer_access_behavior GL_EXT_draw_elements_base_vertex GL_OES_draw_elements_base_vertex GL_EXT_buffer_storage
Disabled Extensions	GL_KHR_blend_equation_advanced GL_KHR_blend_equation_advanced_coherent
Disabled WebGL Extensions	
Window system binding vendor	ARM
Window system binding version	1.4 Midgard-"r26p0-01rel0"
Window system binding extensions	EGL_KHR_partial_update EGL_EXT_swap_buffers_with_damage EGL_KHR_swap_buffers_with_damage EGL_EXT_image_dma_buf_import EGL_EXT_image_dma_buf_import_modifiers EGL_KHR_image_pixmap EGL_ANDROID_native_fence_sync EGL_EXT_image_flush_external EGL_KHR_config_attribs EGL_KHR_image EGL_KHR_image_base EGL_KHR_fence_sync EGL_KHR_wait_sync EGL_KHR_gl_colorspace EGL_KHR_get_all_proc_addresses EGL_IMG_context_priority EGL_KHR_no_config_context EGL_EXT_pixel_format_float EGL_ARM_pixmap_multisample_discard EGL_ARM_implicit_external_sync EGL_KHR_gl_texture_2D_image EGL_KHR_gl_renderbuffer_image EGL_KHR_create_context EGL_KHR_surfaceless_context EGL_KHR_gl_texture_cubemap_image EGL_EXT_image_gl_colorspace EGL_EXT_create_context_robustness
Direct rendering	Yes
Reset notification strategy	0x8252
GPU process crash count	0
Compositor Information
Tile Update Mode	One-copy
Partial Raster	Enabled
GpuMemoryBuffers Status
R_8	CAMERA_AND_CPU_READ_WRITE
R_16	Software only
RG_88	Software only
BGR_565	GPU_READ
RGBA_4444	Software only
RGBX_8888	GPU_READ, SCANOUT, SCANOUT_CPU_READ_WRITE
RGBA_8888	GPU_READ, SCANOUT, SCANOUT_CPU_READ_WRITE
BGRX_8888	GPU_READ, SCANOUT, SCANOUT_CPU_READ_WRITE
BGRX_1010102	Software only
RGBX_1010102	Software only
BGRA_8888	GPU_READ, SCANOUT, SCANOUT_CPU_READ_WRITE
RGBA_F16	Software only
YVU_420	GPU_READ
YUV_420_BIPLANAR	SCANOUT_CAMERA_READ_WRITE
UYVY_422	Software only
Display(s) Information
Info	Display[0] bounds=[0,0 1280x800], workarea=[0,0 1280x744], scale=1, internal.
Color space information	{primaries:INVALID, transfer:INVALID, matrix:INVALID, range:INVALID}
Bits per color component	8
Bits per pixel	24
Info	Display[2349821596844033] bounds=[-328,-1080 1920x1080], workarea=[-328,-1080 1920x1024], scale=1, external.
Color space information	{primaries_d50_referred: [[0.6522, 0.3384], [0.3337, 0.6489], [0.1391, 0.0355]], transfer:0.0000*x + 0.0000 if x < 0.0000 else (1.0000*x + 0.0000)**2.2000 + 0.0000, matrix:RGB, range:FULL}
Bits per color component	8
Bits per pixel	24
Video Acceleration Information
Decode h264 baseline	up to 3840x2160 pixels
Decode h264 main	up to 3840x2160 pixels
Decode h264 extended	up to 3840x2160 pixels
Decode h264 high	up to 3840x2160 pixels
Decode h264 high 10	up to 3840x2160 pixels
Decode h264 high 4:2:2	up to 3840x2160 pixels
Decode h264 high 4:4:4 predictive	up to 3840x2160 pixels
Decode h264 scalable baseline	up to 3840x2160 pixels
Decode h264 scalable high	up to 3840x2160 pixels
Decode h264 stereo high	up to 3840x2160 pixels
Decode h264 multiview high	up to 3840x2160 pixels
Decode vp8	up to 3840x2160 pixels
Encode vp8	up to 1920x1088 pixels and/or 30.000 fps
Log Messages
[1486:1519:1028/131002.289516:VERBOSE1:drm_device_manager.cc(58)] : Primary DRM device added: /sys/devices/display-subsystem.5/drm/card1
[1486:1519:1028/131002.730942:VERBOSE1:drm_device_manager.cc(53)] : Could not initialize DRM device for /sys/devices/platform/vgem/drm/card0
[1486:1519:1028/131003.764192:VERBOSE1:drm_util.cc(467)] : Failed to get EDID blob for connector 32
[1486:1519:1028/131003.831703:VERBOSE1:drm_display.cc(104)] : DRM configuring: device=/sys/devices/display-subsystem.5/drm/card1 crtc=21 connector=32 origin=0,0 size=1280x800
[1486:1519:1028/131039.810590:VERBOSE1:drm_util.cc(467)] : Failed to get EDID blob for connector 32
[1486:1519:1028/131039.810742:WARNING:screen_manager.cc(112)] : Display controller (crtc=21) already present.
[1486:1519:1028/131039.835374:VERBOSE1:drm_display.cc(104)] : DRM configuring: device=/sys/devices/display-subsystem.5/drm/card1 crtc=21 connector=32 origin=0,0 size=0x0
[1486:1519:1028/162131.485349:VERBOSE1:drm_util.cc(467)] : Failed to get EDID blob for connector 32
[1486:1519:1028/162131.485659:WARNING:screen_manager.cc(112)] : Display controller (crtc=21) already present.
[1486:1519:1028/162131.580933:VERBOSE1:drm_display.cc(104)] : DRM configuring: device=/sys/devices/display-subsystem.5/drm/card1 crtc=21 connector=32 origin=0,0 size=1280x800
[1486:1519:1028/162216.329027:VERBOSE1:drm_util.cc(467)] : Failed to get EDID blob for connector 32
[1486:1519:1028/162216.329334:WARNING:screen_manager.cc(112)] : Display controller (crtc=21) already present.
[1486:1519:1028/162216.330474:VERBOSE1:drm_display.cc(104)] : DRM configuring: device=/sys/devices/display-subsystem.5/drm/card1 crtc=21 connector=32 origin=0,0 size=1280x800
[1486:1519:1028/162218.385727:VERBOSE1:drm_util.cc(467)] : Failed to get EDID blob for connector 32
[1486:1519:1028/162218.386177:WARNING:screen_manager.cc(112)] : Display controller (crtc=21) already present.
[1486:1519:1028/162218.387273:VERBOSE1:drm_display.cc(104)] : DRM configuring: device=/sys/devices/display-subsystem.5/drm/card1 crtc=21 connector=32 origin=0,0 size=1280x800
[1486:1519:1028/162218.387552:VERBOSE1:drm_display.cc(104)] : DRM configuring: device=/sys/devices/display-subsystem.5/drm/card1 crtc=27 connector=35 origin=0,860 size=1920x1080

Appears that same extremely slowed-down behavior occurs for Android audio and video player apps.