[chrome.displaySource] Move mojo interfaces to a nested namespace.

extensions/renderer/api/display_source/wifi_display/wifi_display_media_manager.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 EXTENSIONS_RENDERER_API_DISPLAY_SOURCE_WIFI_DISPLAY_WIFI_DISPLAY_MEDIA_MANAGER_H_
 #define EXTENSIONS_RENDERER_API_DISPLAY_SOURCE_WIFI_DISPLAY_WIFI_DISPLAY_MEDIA_MANAGER_H_
 
 #include <memory>
 #include <string>
 #include <utility>
@@ skipping 51 matching lines @@
   wds::AudioCodec GetOptimalAudioFormat() const override;
 
   void SendIDRPicture() override;
 
   std::string GetSessionId() const override;
 
  private:
   void OnPlayerCreated(std::unique_ptr<WiFiDisplayMediaPipeline> player);
   void OnMediaPipelineInitialized(bool success);
   void RegisterMediaService(
-       const scoped_refptr<base::SingleThreadTaskRunner>& main_runner,
-       WiFiDisplayMediaServiceRequest service,
-       const base::Closure& on_completed);
-  void ConnectToRemoteService(WiFiDisplayMediaServiceRequest request);
+      const scoped_refptr<base::SingleThreadTaskRunner>& main_runner,
+      mojom::WiFiDisplayMediaServiceRequest service,
+      const base::Closure& on_completed);
+  void ConnectToRemoteService(mojom::WiFiDisplayMediaServiceRequest request);
   blink::WebMediaStreamTrack video_track_;
   blink::WebMediaStreamTrack audio_track_;
 
   std::unique_ptr<WiFiDisplayAudioSink> audio_sink_;
   std::unique_ptr<WiFiDisplayVideoSink> video_sink_;
 
   service_manager::InterfaceProvider* interface_provider_;
   std::string sink_ip_address_;
   std::pair<int, int> sink_rtp_ports_;
   wds::H264VideoFormat optimal_video_format_;
   wds::AudioCodec optimal_audio_codec_;
 
   WiFiDisplayVideoEncoder::InitParameters video_encoder_parameters_;
   WiFiDisplayMediaPipeline* player_;  // Owned on IO thread.
   scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
   ErrorCallback error_callback_;
   bool is_playing_;
   bool is_initialized_;
   mutable std::string session_id_;  // Lazily initialized.
 
   base::WeakPtrFactory<WiFiDisplayMediaManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WiFiDisplayMediaManager);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_API_DISPLAY_SOURCE_WIFI_DISPLAY_WIFI_DISPLAY_MEDIA_MANAGER_H_