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 5038b1dfd405b1aa4569b8189ae4a8d6fc541a17..1989a694bdbe4753603ea383f6b6b757d939b6b9 100644
--- a/chrome/browser/media/router/media_router.gyp
+++ b/chrome/browser/media/router/media_router.gyp
@@ -9,9 +9,10 @@
       'type': 'static_library',
       'include_dirs': [
         '<(DEPTH)',
+        '<(DEPTH)/third_party/mojo/src',
       ],
       'dependencies': [
-        ':media_router_mojo',
+        'media_router_mojo',
         '<(DEPTH)/base/base.gyp:base',
         '<(DEPTH)/url/url.gyp:url_lib',
       ],
@@ -20,7 +21,7 @@
         'issue.h',
         'issue_manager.cc',
         'issue_manager.h',
-        'issue_observer.h',
+        'issues_observer.h',
         'media_route.cc',
         'media_route.h',
         'media_route_id.h',
@@ -29,6 +30,12 @@
         'media_router_impl.h',
         'media_router_impl_factory.cc',
         'media_router_impl_factory.h',
+        'media_router_mojo_impl.cc',
+        'media_router_mojo_impl.h',
+        'media_router_mojo_impl_factory.cc',
+        'media_router_mojo_impl_factory.h',
+        'media_router_type_converters.cc',
+        'media_router_type_converters.h',
         'media_routes_observer.cc',
         'media_routes_observer.h',
         'media_sink.cc',
@@ -58,6 +65,7 @@
       'target_name': 'media_router_mojo',
       'type': 'static_library',
       'include_dirs': [
+        '<(DEPTH)',
         '<(DEPTH)/third_party/mojo/src',
       ],
       'dependencies': [