Reland of Strengthen GpuRasterizationConcavePathsPagetest test.

content/test/gpu/page_sets/gpu_rasterization_tests.py

 # Copyright 2014 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.
 from telemetry.story import story_set as story_set_module
 
 from gpu_tests import gpu_test_base
 
 class GpuRasterizationBlueBoxPage(gpu_test_base.PageBase):
 
   def __init__(self, story_set, expectations):
@@ skipping 79 matching lines @@
     super(GpuRasterizationConcavePathsPage, self).__init__(
       url='file://../../data/gpu/concave_paths.html',
       page_set=story_set,
       name='GpuRasterization.ConcavePaths',
       expectations=expectations)
 
     self.expectations = [
       {'comment': 'outside',
        'color': [255, 255, 255],
        'tolerance': 0,
-       'location': [5, 5],
+       'location': [80, 60],
+       'size': [1, 1]},
+      {'comment': 'outside',
+       'color': [255, 255, 255],
+       'tolerance': 0,
+       'location': [28, 20],
        'size': [1, 1]},
       {'comment': 'inside',
        'color': [255, 215, 0],
        'tolerance': 0,
-       'location': [20, 50],
+       'location': [32, 25],
+       'size': [1, 1]},
+      {'comment': 'inside',
+       'color': [255, 215, 0],
+       'tolerance': 0,
+       'location': [80, 80],
        'size': [1, 1]}
     ]
     self.test_rect = [0, 0, 100, 100]
 
   def RunNavigateSteps(self, action_runner):
     super(GpuRasterizationConcavePathsPage, self).RunNavigateSteps(
       action_runner)
     action_runner.WaitForJavaScriptCondition(
         'domAutomationController._finished', timeout_in_seconds=30)
 
 class GpuRasterizationTestsStorySet(story_set_module.StorySet):
 
   """ Basic test cases for GPU rasterization. """
 
   def __init__(self, expectations):
     super(GpuRasterizationTestsStorySet, self).__init__()
 
     self.AddStory(GpuRasterizationBlueBoxPage(self, expectations))
     self.AddStory(GpuRasterizationConcavePathsPage(self, expectations))