[Media Router] Use TimeDelta in mojo interfaces

chrome/browser/media/router/mojo/media_router_struct_traits.h

 // Copyright 2016 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_MOJO_MEDIA_ROUTER_STRUCT_TRAITS_H_
 #define CHROME_BROWSER_MEDIA_ROUTER_MOJO_MEDIA_ROUTER_STRUCT_TRAITS_H_
 
 #include <string>
 
 #include "chrome/browser/media/router/mojo/media_router.mojom.h"
+#include "mojo/common/common_custom_types_struct_traits.h"
 
 namespace mojo {
 
 template <>
 struct StructTraits<media_router::mojom::RouteMessageDataView,
                     media_router::RouteMessage> {
   static media_router::mojom::RouteMessage::Type type(
       const media_router::RouteMessage& msg) {
     switch (msg.type) {
       case media_router::RouteMessage::TEXT:
@@ skipping 40 matching lines @@
       default:
         return false;
     }
     return true;
   }
 };
 
 }  // namespace mojo
 
 #endif  // CHROME_BROWSER_MEDIA_ROUTER_MOJO_MEDIA_ROUTER_STRUCT_TRAITS_H_