Add a presubmit script and pylintrc for content/test/gpu

content/test/gpu/gpu_tests/maps.py

 # Copyright 2013 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.
 
 """Runs a Google Maps pixel test.
 Performs several common navigation actions on the map (pan, zoom, rotate) then
 captures a screenshot and compares selected pixels against expected values"""
 
 import json
-import optparse
 import os
 
-import cloud_storage_test_base
-import gpu_test_base
-import maps_expectations
-import path_util
+from gpu_tests import cloud_storage_test_base
+from gpu_tests import gpu_test_base
+from gpu_tests import maps_expectations
+from gpu_tests import path_util
 
 from telemetry.core import util
 from telemetry.page import page_test
 from telemetry import story as story_module
 from telemetry.story import story_set as story_set_module
 
 class MapsValidator(cloud_storage_test_base.ValidatorBase):
+  def __init__(self):
+    super(MapsValidator, self).__init__()
+
   def CustomizeBrowserOptions(self, options):
     # --test-type=gpu is used only to suppress the "Google API Keys are missing"
     # infobar, which causes flakiness in tests.
     options.AppendExtraBrowserArgs(['--enable-gpu-benchmarking',
                                     '--test-type=gpu'])
 
   def ValidateAndMeasurePage(self, page, tab, results):
     # TODO: This should not be necessary, but it's not clear if the test is
     # failing on the bots in it's absence. Remove once we can verify that it's
     # safe to do so.
     MapsValidator.SpinWaitOnRAF(tab, 3)
 
     if not tab.screenshot_supported:
       raise page_test.Failure('Browser does not support screenshot capture')
     screenshot = tab.Screenshot(5)
     if screenshot is None:
       raise page_test.Failure('Could not capture screenshot')
 
     dpr = tab.EvaluateJavaScript('window.devicePixelRatio')
     expected = self._ReadPixelExpectations(page)
     self._ValidateScreenshotSamples(
         page.display_name, screenshot, expected, dpr)
 
   @staticmethod
-  def SpinWaitOnRAF(tab, iterations, timeout = 60):
+  def SpinWaitOnRAF(tab, iterations, timeout=60):
     waitScript = r"""
       window.__spinWaitOnRAFDone = false;
       var iterationsLeft = %d;
 
       function spin() {
         iterationsLeft--;
         if (iterationsLeft == 0) {
           window.__spinWaitOnRAFDone = true;
           return;
         }
@@ skipping 45 matching lines @@
 
   def CreateStorySet(self, options):
     story_set_path = os.path.join(
         path_util.GetChromiumSrcDir(), 'content', 'test', 'gpu', 'page_sets')
     ps = story_set_module.StorySet(
         archive_data_file='data/maps.json',
         base_dir=story_set_path,
         cloud_storage_bucket=story_module.PUBLIC_BUCKET)
     ps.AddStory(MapsPage(ps, ps.base_dir, self.GetExpectations()))
     return ps