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

content/test/gpu/gpu_tests/memory_test.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 gpu_test_base
-import memory_test_expectations
+from gpu_tests import gpu_test_base
+from gpu_tests import memory_test_expectations
 import page_sets
 
 from telemetry.page import page_test
-from telemetry.timeline import counter
 from telemetry.timeline import model
 from telemetry.timeline import tracing_category_filter
 from telemetry.timeline import tracing_options
 
 MEMORY_LIMIT_MB = 192
 SINGLE_TAB_LIMIT_MB = 192
 WIGGLE_ROOM_MB = 24
 
 test_harness_script = r"""
   var domAutomationController = {};
@@ skipping 63 matching lines @@
     options.AppendExtraBrowserArgs('--enable-logging')
     options.AppendExtraBrowserArgs(
         '--force-gpu-mem-available-mb=%s' % MEMORY_LIMIT_MB)
 
   def WillNavigateToPage(self, page, tab):
     # FIXME: Remove webkit.console when blink.console lands in chromium and the
     # ref builds are updated. crbug.com/386847
     custom_categories = ['webkit.console', 'blink.console', 'gpu']
     category_filter = tracing_category_filter.TracingCategoryFilter()
     for c in custom_categories:
-        category_filter.AddIncludedCategory(c)
+      category_filter.AddIncludedCategory(c)
     options = tracing_options.TracingOptions()
     options.enable_chrome_trace = True
     tab.browser.platform.tracing_controller.Start(options, category_filter, 60)
 
   def _FormatException(self, low_or_high, mb_used):
     return 'Memory allocation too %s (was %d MB, should be %d MB +/- %d MB)' % (
       low_or_high, mb_used, SINGLE_TAB_LIMIT_MB, WIGGLE_ROOM_MB)
 
 class MemoryTest(gpu_test_base.TestBase):
   """Tests GPU memory limits"""
   test = MemoryValidator
 
   @classmethod
   def Name(cls):
     return 'memory_test'
 
   def _CreateExpectations(self):
     return memory_test_expectations.MemoryTestExpectations()
 
   def CreateStorySet(self, options):
     story_set = page_sets.MemoryTestsStorySet(self.GetExpectations())
     for page in story_set:
       page.script_to_evaluate_on_commit = test_harness_script
     return story_set