WebRTC: Add fetch recipes to depot_tools.

recipes/webrtc_ios.py

Index: recipes/webrtc_ios.py
diff --git a/recipes/ios.py b/recipes/webrtc_ios.py
similarity index 57%
copy from recipes/ios.py
copy to recipes/webrtc_ios.py
index e7ee08b6d569a4efb867feaf4b4c09d163b78437..550ad8d3fa9dd8b84c03feb808e65d3f5ebf14ae 100644
--- a/recipes/ios.py
+++ b/recipes/webrtc_ios.py
@@ -1,4 +1,4 @@
-# Copyright 2013 The Chromium Authors. All rights reserved.
+# 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.
 
@@ -9,21 +9,25 @@ import recipe_util  # pylint: disable=F0401
 
 # This class doesn't need an __init__ method, so we disable the warning
 # pylint: disable=W0232
-class IOS(recipe_util.Recipe):
-  """Basic Recipe alias for iOS -> Chromium."""
+class WebRTCIOS(recipe_util.Recipe):
+  """Basic Recipe alias for iOS -> WebRTC."""
 
   @staticmethod
   def fetch_spec(props):
     return {
       'alias': {
-        'recipe': 'chromium',
-        'props': ['--target_os=ios', '--target_os_only=True'],
+        'recipe': 'webrtc',
+        'props': ['--target_os=ios,mac'],
       },
     }
 
+  @staticmethod
+  def expected_root(_props):
+    return 'src'
+
 
 def main(argv=None):
-  return IOS().handle_args(argv)
+  return WebRTCIOS().handle_args(argv)
 
 
 if __name__ == '__main__':