cc: return resources via a ReturnedResource struct rather than TransferableResource

cc/cc.gyp

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 299 matching lines @@
         'resources/resource_pool.cc',
         'resources/resource_pool.h',
         'resources/resource_provider.cc',
         'resources/resource_provider.h',
         'resources/resource_update.cc',
         'resources/resource_update.h',
         'resources/resource_update_controller.cc',
         'resources/resource_update_controller.h',
         'resources/resource_update_queue.cc',
         'resources/resource_update_queue.h',
+        'resources/returned_resource.h',
         'resources/scoped_resource.cc',
         'resources/scoped_resource.h',
         'resources/scoped_ui_resource.cc',
         'resources/scoped_ui_resource.h',
         'resources/skpicture_content_layer_updater.cc',
         'resources/skpicture_content_layer_updater.h',
         'resources/sync_point_helper.cc',
         'resources/sync_point_helper.h',
         'resources/texture_mailbox.cc',
         'resources/texture_mailbox.h',
@@ skipping 55 matching lines @@
         'trees/thread_proxy.cc',
         'trees/thread_proxy.h',
         'trees/tree_synchronizer.cc',
         'trees/tree_synchronizer.h',
       ],
       # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
     },
   ],
 }