[Media Router] Add Media Router Mojo impl code.

chrome/browser/media/router/media_router.gyp

 # Copyright 2015 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.
 
 {
   'includes': [
     'media_router.gypi',
   ],
   'targets': [
     {
       # GN version: //chrome/browser/media/router:router
       'target_name': 'media_router',
       'type': 'static_library',
       'include_dirs': [
         '<(DEPTH)',
         '<(DEPTH)/third_party/mojo/src',
       ],
       'dependencies': [
         # media_router_type_converters.h needs the generated file.
         'media_router_mojo_gen',
         'media_router_mojo',
         '<(DEPTH)/base/base.gyp:base',
+        '<(DEPTH)/chrome/common_constants.gyp:common_constants',
+        '<(DEPTH)/components/components.gyp:keyed_service_content',
         '<(DEPTH)/components/components.gyp:keyed_service_core',
         '<(DEPTH)/extensions/extensions.gyp:extensions_browser',
         '<(DEPTH)/skia/skia.gyp:skia',
         '<(DEPTH)/url/url.gyp:url_lib',
       ],
       'sources': [
         '<@(media_router_sources)',
       ],
     },
     {
@@ skipping 20 matching lines @@
         '<(SHARED_INTERMEDIATE_DIR)/chrome/browser/media/router/media_router.mojom.cc',
         '<(SHARED_INTERMEDIATE_DIR)/chrome/browser/media/router/media_router.mojom.h',
       ],
     },
     {
       # GN version: //chrome/browser/media/router:test_support
       'target_name': 'media_router_test_support',
       'type': 'static_library',
       'include_dirs': [
         '<(DEPTH)',
+        '<(DEPTH)/third_party/mojo/src',
       ],
       'dependencies': [
         'media_router',
         'media_router_mojo',
         '<(DEPTH)/base/base.gyp:base',
         '<(DEPTH)/testing/gmock.gyp:gmock',
       ],
       'sources': [
         '<@(media_router_test_support_sources)',
       ],
     },
   ],
 }