[Media Router] Convert to use typemaps for media_router.mojom.

chrome/browser/media/router/media_sink.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_SINK_H_
 #define CHROME_BROWSER_MEDIA_ROUTER_MEDIA_SINK_H_
 
 #include <string>
 
 #include "third_party/icu/source/common/unicode/uversion.h"
@@ skipping 45 matching lines @@
   bool CompareUsingCollator(const MediaSink& other,
                             const icu::Collator* collator) const;
 
   // For storing in sets and in maps as keys.
   struct Compare {
     bool operator()(const MediaSink& sink1, const MediaSink& sink2) const {
       return sink1.id() < sink2.id();
     }
   };
 
+  // Used by Mojo.
+  MediaSink();
+  void set_sink_id(const MediaSink::Id& sink_id) { sink_id_ = sink_id; }
+  void set_name(const std::string& name) { name_ = name; }
+  void set_icon_type(IconType icon_type) { icon_type_ = icon_type; }
+
  private:
   // Unique identifier for the MediaSink.
   MediaSink::Id sink_id_;
 
   // Descriptive name of the MediaSink.
   std::string name_;
 
   // Optional description of the MediaSink.
   std::string description_;
 
   // Optional domain of the MediaSink.
   std::string domain_;
 
   // The type of icon that corresponds with the MediaSink.
-  IconType icon_type_;
+  IconType icon_type_ = IconType::GENERIC;
 };
 
 }  // namespace media_router
 
 #endif  // CHROME_BROWSER_MEDIA_ROUTER_MEDIA_SINK_H_