Mark a few video power measurement tests as flaky on Win10 Intel bots

BUG=941163
TEST=bots
R=kbr@chromium.org

Change-Id: I3ea45662ac87730fb8166a59e4af76401fb6f49d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1974623
Commit-Queue: Zhenyao Mo <zmo@chromium.org>
Commit-Queue: Kenneth Russell <kbr@chromium.org>
Auto-Submit: Zhenyao Mo <zmo@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#726222}

content/test/gpu/gpu_tests/gpu_helper.py

@@ -160,7 +160,9 @@ def GetMockArgs(is_asan=False, webgl_version='1.0.0'):
   args.is_asan = is_asan
   args.webgl_conformance_version = webgl_version
   args.webgl2_only = False
-  args.url = 'https://www.google.com'
+  # for power_measurement_integration_test.py, .url has to be None to
+  # generate the correct test lists for bots.
+  args.url = None
   args.duration = 10
   args.delay = 10
   args.resolution = 100

content/test/gpu/gpu_tests/power_measurement_integration_test.py

@@ -506,6 +506,12 @@ class PowerMeasurementIntegrationTest(gpu_integration_test.GpuIntegrationTest):
           logfiles, ipg_delay, outliers, json_path)
       logging.info("Summary: %s", str(summary))
 
+  @classmethod
+  def ExpectationsFiles(cls):
+    return [
+        os.path.join(os.path.dirname(os.path.abspath(__file__)),
+                     'test_expectations',
+                     'power_measurement_expectations.txt')]
 
 def load_tests(loader, tests, pattern):
   del loader, tests, pattern  # Unused.

content/test/gpu/gpu_tests/test_expectations/power_measurement_expectations.txt

+# tags: [ win10 ]
+# tags: [ intel intel-0x5912]
+# results: [ RetryOnFailure ]
+
+ # These tests are flaky on Win10 FYI x64 (Exp) Release (Intel HD 630) bots
+crbug.com/941163 [ win10 intel-0x5912 ] Video_720_MP4 [ RetryOnFailure ]
+crbug.com/941163 [ win10 intel-0x5912 ] Video_720_MP4_Underlay [ RetryOnFailure ]
+crbug.com/941163 [ win10 intel-0x5912 ] Video_720_MP4_Fullscreen [ RetryOnFailure ]
+crbug.com/941163 [ win10 intel-0x5912 ] Video_720_MP4_Underlay_Fullscreen [ RetryOnFailure ]