Cleanup: Presubmit API is built into depot_tools.

media/PRESUBMIT.py

 # Copyright 2013 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.
 
 """Top-level presubmit script for Chromium media component.
 
 See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
-for more details about the presubmit API built into gcl.
+for more details about the presubmit API built into depot_tools.
 """
 
 def _FilterFile(affected_file):
   """Return true if the file could contain code requiring a presubmit check."""
   return affected_file.LocalPath().endswith(
       ('.h', '.cc', '.cpp', '.cxx', '.mm'))
 
 
 def _CheckForUseOfWrongClock(input_api, output_api):
   """Make sure new lines of media code don't use a clock susceptible to skew."""
@@ skipping 147 matching lines @@
   results.extend(_CheckForHistogramOffByOne(input_api, output_api))
   return results
 
 
 def CheckChangeOnUpload(input_api, output_api):
   return _CheckChange(input_api, output_api)
 
 
 def CheckChangeOnCommit(input_api, output_api):
   return _CheckChange(input_api, output_api)