Added framer to cast.

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,
   },
   'targets': [
     {
@@ skipping 33 matching lines @@
           'dependencies': [
             'cast_sender',
             'cast_receiver',
             'rtcp/rtcp.gyp:rtcp_test',
             '<(DEPTH)/base/base.gyp:run_all_unittests',
             '<(DEPTH)/testing/gmock.gyp:gmock',
             '<(DEPTH)/testing/gtest.gyp:gtest',
           ],
           'include_dirs': [
             '<(DEPTH)/',
+            '<(DEPTH)/third_party/',
           ],
           'sources': [
             'congestion_control/congestion_control_unittest.cc',
+            'framer/cast_message_builder_unittest.cc',
+            'framer/frame_buffer_unittest.cc',
+            'framer/framer_unittest.cc',
             'pacing/paced_sender_unittest.cc',
             'rtcp/rtcp_receiver_unittest.cc',
             'rtcp/rtcp_sender_unittest.cc',
             'rtcp/rtcp_unittest.cc',
           ], # source
         },
       ],  # targets
     }], # include_tests
   ],
 }