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 33e8bc859848d384a587c898fa8832ed10b9bb97..a0ae49c9da8e5c92e9b395416c4f1b9a6fce0f56 100644
--- a/chrome/browser/media/router/media_router.gyp
+++ b/chrome/browser/media/router/media_router.gyp
@@ -25,11 +25,15 @@
         'issue.h',
         'issue_manager.cc',
         'issue_manager.h',
-        'issue_observer.h',
+        'issues_observer.h',
         'media_route.cc',
         'media_route.h',
         'media_route_id.h',
         'media_router.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',
@@ -63,6 +67,7 @@
       'target_name': 'media_router_mojo',
       'type': 'static_library',
       'include_dirs': [
+        '<(DEPTH)',
         '<(DEPTH)/third_party/mojo/src',
       ],
       'dependencies': [
@@ -96,4 +101,4 @@
     },
 
   ],
-}
+}