[Media Router] Add Media Router Mojo impl code.

chrome/browser/media/router/media_router.gyp

Index: chrome/browser/media/router/media_router.gyp
diff --git a/chrome/browser/media/router/media_router.gyp b/chrome/browser/media/router/media_router.gyp
index 7f8366465d470ae1988ffa41700981febadacde5..7386cc6cbd3dc100f913ae30d07451141128d5e4 100644
--- a/chrome/browser/media/router/media_router.gyp
+++ b/chrome/browser/media/router/media_router.gyp
@@ -11,6 +11,15 @@
       # GN version: //chrome/browser/media/router:router
       'target_name': 'media_router',
       'type': 'static_library',
+      'dependencies': [
+        ':media_router_core',
+        ':media_router_keyed_service_factories',
+      ],
+    },
+    {
+      # GN version: //chrome/browser/media/router:core
+      'target_name': 'media_router_core',
+      'type': 'static_library',
       'include_dirs': [
         '<(DEPTH)',
         '<(DEPTH)/third_party/mojo/src',
@@ -20,13 +29,32 @@
         '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_core',
         '<(DEPTH)/extensions/extensions.gyp:extensions_browser',
         '<(DEPTH)/skia/skia.gyp:skia',
         '<(DEPTH)/url/url.gyp:url_lib',
       ],
       'sources': [
-        '<@(media_router_sources)',
+        '<@(media_router_core_sources)',
+      ],
+    },
+    {
+      # GN version: //chrome/browser/media/router:keyed_service_factories
+      'target_name': 'media_router_keyed_service_factories',
+      'type': 'static_library',
+      'include_dirs': [
+        '<(DEPTH)',
+        '<(DEPTH)/third_party/mojo/src',
+      ],
+      'dependencies': [
+        ':media_router_core',
+        '<(DEPTH)/base/base.gyp:base',
+        '<(DEPTH)/components/components.gyp:keyed_service_content',
+        '<(DEPTH)/extensions/extensions.gyp:extensions_browser',
+      ],
+      'sources': [
+        '<@(media_router_keyed_service_factories_sources)',
       ],
     },
     {
@@ -60,9 +88,10 @@
       'type': 'static_library',
       'include_dirs': [
         '<(DEPTH)',
+        '<(DEPTH)/third_party/mojo/src',
       ],
       'dependencies': [
-        'media_router',
+        'media_router_core',
         'media_router_mojo',
         '<(DEPTH)/base/base.gyp:base',
         '<(DEPTH)/testing/gmock.gyp:gmock',