Move c/b/media/router/mojo/*.mojom to chrome/common/media_router/mojo/*.mojom

chrome/common/media_router/media_source.h

 // 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.
 
-#ifndef CHROME_BROWSER_MEDIA_ROUTER_MEDIA_SOURCE_H_
-#define CHROME_BROWSER_MEDIA_ROUTER_MEDIA_SOURCE_H_
+#ifndef CHROME_COMMON_MEDIA_ROUTER_MEDIA_SOURCE_H_
+#define CHROME_COMMON_MEDIA_ROUTER_MEDIA_SOURCE_H_
 
 #include <stddef.h>
 
 #include <ostream>
 #include <string>
 
 #include "base/hash.h"
 #include "url/gurl.h"
 
 // TODO(mfoltz): Right now this is a wrapper for std::string.  Factor methods
@@ skipping 30 matching lines @@
     }
   };
 
  private:
   MediaSource::Id id_;
   GURL url_;
 };
 
 }  // namespace media_router
 
-#endif  // CHROME_BROWSER_MEDIA_ROUTER_MEDIA_SOURCE_H_
+#endif  // CHROME_COMMON_MEDIA_ROUTER_MEDIA_SOURCE_H_