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

content/test/gpu/gpu_tests/exception_formatter.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.
 
 """Print prettier and more detailed exceptions. Copied from Telemetry."""
 
 import math
 import os
 import sys
 import traceback
 
-import path_util
+from gpu_tests import path_util
 
 from telemetry.core import exceptions
 
 
 def PrintFormattedException(exception_class=None, exception=None, tb=None,
                             msg=None):
   assert bool(exception_class) == bool(exception) == bool(tb), (
       'Must specify all or none of exception_class, exception, and tb')
 
   if not exception_class:
@@ skipping 73 matching lines @@
   if max_length < 0:
     raise ValueError('Must provide positive max_length')
   if len(middle) > max_length:
     raise ValueError('middle must not be greater than max_length')
 
   if len(target) <= max_length:
     return target
   half_length = (max_length - len(middle)) / 2.
   return (target[:int(math.floor(half_length))] + middle +
           target[-int(math.ceil(half_length)):])