Filed by sheriff-o-matic@appspot.gserviceaccount.com on behalf of sullivan@google.com

Builders failed on: 
- Win 7 Nvidia GPU Perf: 
  https://ci.chromium.org/buildbot/chromium.perf/Win%207%20Nvidia%20GPU%20Perf

Flakiness dashboard link: https://test-results.appspot.com/dashboards/flakiness_dashboard.html#testType=system_health.common_desktop&builder=chromium.perf%3AWin%207%20Nvidia%20GPU%20Perf

This seems to have gotten flaky around r552198:r554629. Kicking off a bisect.

Sample log:
https://logs.chromium.org/v/?s=chrome%2Fbb%2Fchromium.perf%2FWin_7_Nvidia_GPU_Perf%2F2330%2F%2B%2Frecipes%2Fsteps%2Fsystem_health.common_desktop_on_NVIDIA_GPU_on_Windows_on_Windows-2008ServerR2-SP1%2F0%2Fstdout
(WARNING) 2018-05-03 02:52:47,313 artifact_results.AddArtifact:128  Moving artifact file 'c:\\b\\s\\w\\itluwen9\\tmplgpwqx.png' to 'c:\\b\\s\\w\\itluwen9\\tmpuyjqajtelemetry\\artifacts'
Traceback (most recent call last):
  File "c:\b\s\w\ir\third_party\catapult\telemetry\telemetry\internal\story_runner.py", line 123, in _RunStoryAndProcessErrorIfNeeded
    state.RunStory(results)
  File "c:\b\s\w\ir\third_party\catapult\common\py_trace_event\py_trace_event\trace_event_impl\decorators.py", line 75, in traced_function
    return func(*args, **kwargs)
  File "c:\b\s\w\ir\third_party\catapult\telemetry\telemetry\page\shared_page_state.py", line 311, in RunStory
    self._current_page.Run(self)
  File "c:\b\s\w\ir\third_party\catapult\telemetry\telemetry\page\__init__.py", line 95, in Run
    self.RunPageInteractions(action_runner)
  File "c:\b\s\w\ir\tools\perf\page_sets\system_health\system_health_story.py", line 106, in RunPageInteractions
    self._DidLoadDocument(action_runner)
  File "c:\b\s\w\ir\tools\perf\page_sets\system_health\browsing_stories.py", line 833, in _DidLoadDocument
    self._Scroll(action_runner, self.SCROLL_DISTANCE, self.SCROLL_STEP)
  File "c:\b\s\w\ir\tools\perf\page_sets\system_health\browsing_stories.py", line 857, in _Scroll
    last_scroll_height=last_scroll_height)
  File "c:\b\s\w\ir\third_party\catapult\common\py_trace_event\py_trace_event\trace_event_impl\decorators.py", line 75, in traced_function
    return func(*args, **kwargs)
  File "c:\b\s\w\ir\third_party\catapult\telemetry\telemetry\internal\actions\action_runner.py", line 261, in WaitForJavaScriptCondition
    return self._tab.WaitForJavaScriptCondition(*args, **kwargs)
  File "c:\b\s\w\ir\third_party\catapult\common\py_trace_event\py_trace_event\trace_event_impl\decorators.py", line 75, in traced_function
    return func(*args, **kwargs)
  File "c:\b\s\w\ir\third_party\catapult\telemetry\telemetry\internal\browser\web_contents.py", line 239, in WaitForJavaScriptCondition
    return self._inspector_backend.WaitForJavaScriptCondition(*args, **kwargs)
  File "c:\b\s\w\ir\third_party\catapult\common\py_trace_event\py_trace_event\trace_event_impl\decorators.py", line 75, in traced_function
    return func(*args, **kwargs)
  File "c:\b\s\w\ir\third_party\catapult\telemetry\telemetry\internal\backends\chrome_inspector\inspector_backend.py", line 302, in WaitForJavaScriptCondition
    e.message + '\n' + debug_message)
TimeoutException: Timed out while waiting 60s for IsJavaScriptExpressionTrue.
Console output:
(INFO) 2018-05-03 02:52:47,315 chrome_tracing_agent.RecordClockSyncMarker:183  Chrome version: 3419
(ERROR) 2018-05-03 02:52:50,782 tracing_controller_backend.CollectAgentTraceData:314  Error when deleting c:\b\s\w\itluwen9\tmpz3ngwh, will try again at exit.
Traceback (most recent call last):
  File "c:\b\s\w\ir\third_party\catapult\telemetry\telemetry\internal\platform\tracing_controller_backend.py", line 310, in CollectAgentTraceData
    os.remove(self._trace_log)