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

extensions/renderer/api/display_source/wifi_display/wifi_display_media_pipeline.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_PIPELINE_H_
 #define EXTENSIONS_RENDERER_API_DISPLAY_SOURCE_WIFI_DISPLAY_WIFI_DISPLAY_MEDIA_PIPELINE_H_
 
 #include <memory>
 #include <string>
 #include <utility>
@@ skipping 19 matching lines @@
 // This class encapsulates the WiFi Display media pipeline including
 // - encoding
 // - AV multiplexing/packetization
 // - sending
 // Threading: should belong to IO thread.
 class WiFiDisplayMediaPipeline {
  public:
   using ErrorCallback = base::Callback<void(const std::string&)>;
   using InitCompletionCallback = base::Callback<void(bool)>;
   using RegisterMediaServiceCallback =
-    base::Callback<void(WiFiDisplayMediaServiceRequest, const base::Closure&)>;
+      base::Callback<void(mojom::WiFiDisplayMediaServiceRequest,
+                          const base::Closure&)>;
 
   static std::unique_ptr<WiFiDisplayMediaPipeline> Create(
       wds::SessionType type,
       const WiFiDisplayVideoEncoder::InitParameters& video_parameters,
       const wds::AudioCodec& audio_codec,
       const std::string& sink_ip_address,
       const std::pair<int, int>& sink_rtp_ports,
       const RegisterMediaServiceCallback& service_callback,
       const ErrorCallback& error_callback);
   ~WiFiDisplayMediaPipeline();
@@ skipping 44 matching lines @@
   std::unique_ptr<WiFiDisplayMediaPacketizer> packetizer_;
 
   wds::SessionType type_;
   WiFiDisplayVideoEncoder::InitParameters video_parameters_;
   wds::AudioCodec audio_codec_;
   std::string sink_ip_address_;
   std::pair<int, int> sink_rtp_ports_;
 
   RegisterMediaServiceCallback service_callback_;
   ErrorCallback error_callback_;
-  WiFiDisplayMediaServicePtr media_service_;
+  mojom::WiFiDisplayMediaServicePtr media_service_;
 
   base::WeakPtrFactory<WiFiDisplayMediaPipeline> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WiFiDisplayMediaPipeline);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_API_DISPLAY_SOURCE_WIFI_DISPLAY_WIFI_DISPLAY_MEDIA_PIPELINE_H_