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

content/test/gpu/gpu_tests/gpu_test_expectations_unittest.py

 # Copyright 2015 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 unittest
 
 from telemetry.internal.platform import system_info
 from telemetry.page import page as page_module
 from telemetry.story import story_set
 
-import gpu_test_expectations
+from gpu_tests import gpu_test_expectations
 
 VENDOR_NVIDIA = 0x10DE
 VENDOR_AMD = 0x1002
 VENDOR_INTEL = 0x8086
 
 VENDOR_STRING_IMAGINATION = 'Imagination Technologies'
 DEVICE_STRING_SGX = 'PowerVR SGX 554'
 
 class StubPlatform(object):
   def __init__(self, os_name, os_version_name=None):
@@ skipping 153 matching lines @@
     page1 = page_module.Page('http://test.com/test8.html', ps)
     self.assertExpectationEquals('flaky', page1, StubPlatform('win'))
     self.assertEquals(6, self.getRetriesForPage(page1, StubPlatform('win')))
     self.assertExpectationEquals('pass', page1, StubPlatform('mac'))
     self.assertEquals(0, self.getRetriesForPage(page1, StubPlatform('mac')))
     page2 = page_module.Page('http://test.com/wildcardtest1.html', ps)
     self.assertExpectationEquals('flaky', page2, StubPlatform('win'))
     self.assertEquals(7, self.getRetriesForPage(page2, StubPlatform('win')))
     self.assertExpectationEquals('pass', page2, StubPlatform('mac'))
     self.assertEquals(0, self.getRetriesForPage(page2, StubPlatform('mac')))