Update layout_tests tool in media/tools and PRESUBMIT.py per test_expectations.txt renames.

webkit/tools/layout_tests/PRESUBMIT.py

 # Copyright (c) 2009 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.
 
 """test_expectations.txt presubmit script.
 
 See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts for
 details on the presubmit API built into gcl.
 """
 
-TEST_EXPECTATIONS = 'test_expectations.txt'
+TEST_EXPECTATIONS_FILENAMES = ['test_expectations.txt', 'TestExpectations']
 
 def LintTestFiles(input_api, output_api):
   current_dir = str(input_api.PresubmitLocalPath())
   # Set 'webkit/tools/layout_tests' in include path.
   python_paths = [
       current_dir,
       input_api.os_path.join(current_dir, '..', '..', '..', 'tools', 'python')
   ]
   env = input_api.environ.copy()
   if env.get('PYTHONPATH'):
@@ skipping 16 matching lines @@
   is_error = lambda line: (input_api.re.match('^Line:', line) or
                            input_api.re.search('ERROR Line:', line))
   error = filter(is_error, stdout_data.splitlines())
   if error:
     return [output_api.PresubmitError('Lint error\n%s' % '\n'.join(error),
                                       long_text=stdout_data)]
   return []
 
 def LintTestExpectations(input_api, output_api):
   for path in input_api.LocalPaths():
-    if TEST_EXPECTATIONS == input_api.os_path.basename(path):
+    if input_api.os_path.basename(path) in TEST_EXPECTATIONS_FILENAMES:
       return LintTestFiles(input_api, output_api)
   return []
 
 
 def CheckChangeOnUpload(input_api, output_api):
   return LintTestExpectations(input_api, output_api)
 
 def CheckChangeOnCommit(input_api, output_api):
   return LintTestExpectations(input_api, output_api)