Pull web-animations-js into third-party via the third_party/polymer/reproduce.sh script. Add necess…

third_party/polymer/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.
 
 """Chromium presubmit script for third_party/polymer.
 
 See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
 for more details on the presubmit API built into depot_tools.
 """
 
 import os
 import json
 
 def _CheckBowerDependencies(input_api, output_api):
   os_path = input_api.os_path
   cwd = input_api.PresubmitLocalPath()
   components_dir = os_path.join(cwd, 'components')
   bower_json_path = os_path.join(cwd, 'bower.json')
 
   for f in input_api.AffectedFiles(include_dirs=True):
     p = f.AbsoluteLocalPath()
     if p == bower_json_path or p.startswith(components_dir):
       break
   else:
       return []
 
   bower_dependencies = \
       set(json.load(open(bower_json_path))['dependencies'].keys())
   installed_components = set(p for p in os.listdir(components_dir))
+  # Add web-animations-js because we keep it in a separate directory
+  # '../third_party/web-animations-js'.
+  installed_components.add('web-animations-js')
 
   if bower_dependencies == installed_components:
     return []
 
   problems = []
 
   if installed_components - bower_dependencies:
     problems.append(output_api.PresubmitError(
         'Found components that are not listed in bower.json.',
         items = list(installed_components - bower_dependencies)))
 
   if bower_dependencies - installed_components:
     problems.append(output_api.PresubmitError(
         'Some of the Bower dependencies are not installed.',
         items = list(bower_dependencies - installed_components)))
 
   return problems
 
 def CheckChangeOnUpload(input_api, output_api):
   return _CheckBowerDependencies(input_api, output_api)
 
 
 def CheckChangeOnCommit(input_api, output_api):
   return _CheckBowerDependencies(input_api, output_api)