Cast: Add GetStats() extensions API.

media/cast/cast.gyp

 # Copyright 2013 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': {
     'include_tests%': 1,
     'chromium_code': 1,
   },
   'targets': [
@@ skipping 50 matching lines @@
         '<(DEPTH)/base/base.gyp:base',
       ],
       'export_dependent_settings': [
         'cast_logging_proto_lib',
       ],
       'sources': [
         'logging/encoding_event_subscriber.cc',
         'logging/encoding_event_subscriber.h',
         'logging/log_serializer.cc',
         'logging/log_serializer.h',
+        'logging/stats_converter.cc',
+        'logging/stats_converter.h',
       ], # source
     },
   ],  # targets,
   'conditions': [
     ['include_tests==1', {
       'targets': [
         {
           'target_name': 'cast_unittests',
           'type': '<(gtest_target_type)',
           'dependencies': [
@@ skipping 118 matching lines @@
                 '<(DEPTH)/media/cast/test/linux_output_window.cc',
                 '<(DEPTH)/media/cast/test/linux_output_window.h',
               ],
           }],
           ],
         },
       ],  # targets
     }], # include_tests
   ],
 }