Add presubmit warning for JS formatting in chrome/browser/resources/

chrome/browser/resources/PRESUBMIT.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.
 
 """Presubmit script for files in chrome/browser/resources.
 
 See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
 for more details about the presubmit API built into depot_tools.
 """
 
@@ skipping 108 matching lines @@
 
 
 def _CheckChangeOnUploadOrCommit(input_api, output_api):
   results = CheckUserActionUpdate(input_api, output_api, ACTION_XML_PATH)
   affected = input_api.AffectedFiles()
   if any(f for f in affected if f.LocalPath().endswith('.html')):
     results += CheckHtml(input_api, output_api)
   if any(f for f in affected if f.LocalPath().endswith('vulcanize_gn.py')):
     results += RunVulcanizeTests(input_api, output_api)
   results += _CheckWebDevStyle(input_api, output_api)
+  results += input_api.canned_checks.CheckPatchFormatted(input_api, output_api,
+                                                         check_js=True)
   return results
 
 
 def CheckChangeOnUpload(input_api, output_api):
   return _CheckChangeOnUploadOrCommit(input_api, output_api)
 
 
 def CheckChangeOnCommit(input_api, output_api):
   return _CheckChangeOnUploadOrCommit(input_api, output_api)
 
 
 def PostUploadHook(cl, change, output_api):
   return output_api.EnsureCQIncludeTrybotsAreAdded(
     cl,
     [
       'master.tryserver.chromium.linux:closure_compilation',
     ],
     'Automatically added optional Closure bots to run on CQ.')