Add Media Router Mojo impl code.

chrome/browser/media/router/mock_media_router.h

Index: chrome/browser/media/router/mock_media_router.h
diff --git a/chrome/browser/media/router/mock_media_router.h b/chrome/browser/media/router/mock_media_router.h
index 8fb07c866f52f89b61aab39298ed8a2696dcfdea..4aad1be11712f83df57cd429de405badde0cd953 100644
--- a/chrome/browser/media/router/mock_media_router.h
+++ b/chrome/browser/media/router/mock_media_router.h
@@ -1,4 +1,4 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -17,19 +17,22 @@
 
 namespace media_router {
 
-// Mocked out MediaRouter used in tests.
+// Media Router mock class. Used for testing purposes.
 class MockMediaRouter : public MediaRouter {
  public:
   MockMediaRouter();
   virtual ~MockMediaRouter();
 
-  MOCK_METHOD3(RequestRoute,
+  MOCK_METHOD3(CreateRoute,
                void(const MediaSourceId& source,
                     const MediaSinkId& sink_id,
                     const MediaRouteResponseCallback& callback));
   MOCK_METHOD1(CloseRoute, void(const MediaRouteId& route_id));
   MOCK_METHOD2(PostMessage,
                void(const MediaRouteId& route_id, const std::string& message));
+  MOCK_METHOD1(ClearIssue, void(const Issue::IssueId& issue_id));
+  MOCK_METHOD1(AddIssuesObserver, void(IssuesObserver* observer));
+  MOCK_METHOD1(RemoveIssuesObserver, void(IssuesObserver* observer));
 
   MOCK_METHOD1(RegisterMediaSinksObserver, bool(MediaSinksObserver* observer));
   MOCK_METHOD1(UnregisterMediaSinksObserver,