Adding support for AppRTC closure compiling.

utils.py

 #!/usr/bin/python
 # 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.
 
 """Utilities for all our deps-management stuff."""
 
 import hashlib
 import os
 import shutil
 import sys
+import subprocess
 import tarfile
 import zipfile
 
 
+def DownloadFilesFromGoogleStorage(path):
+  print 'Downloading files in %s...' % path
+
+  extension = 'bat' if 'win32' in sys.platform else 'py'
+  cmd = ['download_from_google_storage.%s' % extension,
+         '--bucket=chromium-webrtc-resources',
+         '--auto_platform',
+         '--recursive',
+         '--directory', path]
+  subprocess.check_call(cmd)
+
+
 def ComputeSHA1(path):
   if not os.path.exists(path):
     return 0
 
   sha1 = hashlib.sha1()
   file_to_hash = open(path, 'rb')
   try:
     sha1.update(file_to_hash.read())
   finally:
     file_to_hash.close()
@@ skipping 37 matching lines @@
 
 def GetPlatform():
   if sys.platform.startswith('win'):
     return 'win'
   if sys.platform.startswith('linux'):
     return 'linux'
   if sys.platform.startswith('darwin'):
     return 'mac'
   raise Exception("Can't run on platform %s." % sys.platform)