Increase GPU test timeout to avoid fragility

content/test/gpu/gpu_tests/webgl_conformance.py

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 import os
 
 from gpu_tests import gpu_test_base
 from gpu_tests import path_util
 from gpu_tests import webgl_conformance_expectations
 from gpu_tests import webgl2_conformance_expectations
 
@@ skipping 122 matching lines @@
       shared_page_state_class=gpu_test_base.DesktopGpuSharedPageState,
       name=('WebglConformance.%s' %
               test.replace('/', '_').replace('-', '_').
                  replace('\\', '_').rpartition('.')[0].replace('.', '_')),
       expectations=expectations)
     self.script_to_evaluate_on_commit = conformance_harness_script
 
   def RunNavigateSteps(self, action_runner):
     super(WebglConformancePage, self).RunNavigateSteps(action_runner)
     action_runner.WaitForJavaScriptCondition(
-        'webglTestHarness._finished', timeout_in_seconds=180)
+        'webglTestHarness._finished', timeout_in_seconds=300)

[nednguyen, 2016/03/11 01:35:03]

Not my codebase but I think  maybe the better way is doing polling to check if
the test suite is making progress instead of doing this long wait?

[Ken Russell (switch to Gerrit), 2016/03/14 20:23:26]

I'm not sure how that would be implemented -- there aren't any convenient hooks
in the WebGL tests to detect progress. This seems OK.

 
 class WebglConformance(gpu_test_base.TestBase):
   """Conformance with Khronos WebGL Conformance Tests"""
   def __init__(self):
     super(WebglConformance, self).__init__(max_failures=10)
     self._cached_expectations = None
     self._webgl_version = 0
 
   @classmethod
   def Name(cls):
@@ skipping 88 matching lines @@
           # We only check min-version >= 2.0.0 for the top level list.
           test_paths += WebglConformance._ParseTests(
               include_path, version, webgl2_only, min_version_to_compare)
         else:
           test = os.path.join(current_dir, test_name)
           if webgl_version > 1:
             test += '?webglVersion=' + str(webgl_version)
           test_paths.append(test)
 
     return test_paths