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

content/test/gpu/gpu_tests/memory_test_expectations.py

Index: content/test/gpu/gpu_tests/memory_test_expectations.py
diff --git a/content/test/gpu/gpu_tests/memory_test_expectations.py b/content/test/gpu/gpu_tests/memory_test_expectations.py
index 8fdc8cbd006479bc8d089926a960f250730ed3b9..fefd74e2307d5958a37b42b6d44ebea4c5a3f48b 100644
--- a/content/test/gpu/gpu_tests/memory_test_expectations.py
+++ b/content/test/gpu/gpu_tests/memory_test_expectations.py
@@ -2,7 +2,7 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-from gpu_test_expectations import GpuTestExpectations
+from gpu_tests.gpu_test_expectations import GpuTestExpectations
 
 # See the GpuTestExpectations class for documentation.
 
@@ -13,5 +13,3 @@ class MemoryTestExpectations(GpuTestExpectations):
     #     ['mac', 'amd', ('nvidia', 0x1234)], bug=123)
 
     self.Fail('Memory.CSS3D', bug=435899)
-
-    pass