Remove dead code related to media device enumerations and monitoring.

content/browser/renderer_host/media/media_stream_dispatcher_host.h

 // Copyright (c) 2012 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 CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_DISPATCHER_HOST_H_
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/macros.h"
-#include "base/memory/weak_ptr.h"
 #include "content/browser/renderer_host/media/media_stream_manager.h"
 #include "content/browser/renderer_host/media/media_stream_requester.h"
 #include "content/common/content_export.h"
 #include "content/common/media/media_stream_options.h"
 #include "content/public/browser/browser_message_filter.h"
 #include "content/public/browser/resource_context.h"
-#include "url/origin.h"
 
+namespace url {
+class Origin;
+}
 namespace content {
 
 class MediaStreamManager;
-class MediaStreamUIProxy;
 
 // MediaStreamDispatcherHost is a delegate for Media Stream API messages used by
 // MediaStreamImpl.  There is one MediaStreamDispatcherHost per
 // RenderProcessHost, the former owned by the latter.
 class CONTENT_EXPORT MediaStreamDispatcherHost : public BrowserMessageFilter,
                                                  public MediaStreamRequester {
  public:
   MediaStreamDispatcherHost(int render_process_id,
                             const std::string& salt,
-                            MediaStreamManager* media_stream_manager,
-                            bool use_fake_ui = false);
+                            MediaStreamManager* media_stream_manager);
 
   // MediaStreamRequester implementation.
   void StreamGenerated(int render_frame_id,
                        int page_request_id,
                        const std::string& label,
                        const StreamDeviceInfoArray& audio_devices,
                        const StreamDeviceInfoArray& video_devices) override;
   void StreamGenerationFailed(
       int render_frame_id,
       int page_request_id,
       content::MediaStreamRequestResult result) override;
   void DeviceStopped(int render_frame_id,
                      const std::string& label,
                      const StreamDeviceInfo& device) override;
-  void DevicesEnumerated(int render_frame_id,
-                         int page_request_id,
-                         const std::string& label,
-                         const StreamDeviceInfoArray& devices) override;
   void DeviceOpened(int render_frame_id,
                     int page_request_id,
                     const std::string& label,
                     const StreamDeviceInfo& video_device) override;
-  void DevicesChanged(MediaStreamType type) override;
 
   // BrowserMessageFilter implementation.
   bool OnMessageReceived(const IPC::Message& message) override;
   void OnChannelClosing() override;
 
  protected:
   ~MediaStreamDispatcherHost() override;
 
  private:
   friend class MockMediaStreamDispatcherHost;
 
   void OnGenerateStream(int render_frame_id,
                         int page_request_id,
                         const StreamControls& controls,
                         const url::Origin& security_origin,
                         bool user_gesture);
   void OnCancelGenerateStream(int render_frame_id,
                               int page_request_id);
   void OnStopStreamDevice(int render_frame_id,
                           const std::string& device_id);
 
-  void OnEnumerateDevices(int render_frame_id,
-                          int page_request_id,
-                          MediaStreamType type,
-                          const url::Origin& security_origin);
-
-  void OnCancelEnumerateDevices(int render_frame_id,
-                                int page_request_id);
-
   void OnOpenDevice(int render_frame_id,
                     int page_request_id,
                     const std::string& device_id,
                     MediaStreamType type,
                     const url::Origin& security_origin);
 
   void OnCloseDevice(int render_frame_id,
                      const std::string& label);
 
-  void OnSubscribeToDeviceChangeNotifications(
-      int render_frame_id,
-      const url::Origin& security_origin);
-
-  void OnCancelDeviceChangeNotifications(int render_frame_id);
-
   void StoreRequest(int render_frame_id,
                     int page_request_id,
                     const std::string& label);
 
   // IPC message handler: Set if the video capturing is secure.
   void OnSetCapturingLinkSecured(int session_id,
                                  content::MediaStreamType type,
                                  bool is_secure);
 
-  std::unique_ptr<MediaStreamUIProxy> CreateMediaStreamUIProxy();
-  void HandleCheckAccessResponse(std::unique_ptr<MediaStreamUIProxy> ui_proxy,
-                                 int render_frame_id,
-                                 bool have_access);
-
   int render_process_id_;
   std::string salt_;
   MediaStreamManager* media_stream_manager_;
 
-  struct DeviceChangeSubscriberInfo {
-    int render_frame_id;
-    url::Origin security_origin;
-  };
-  std::vector<DeviceChangeSubscriberInfo> device_change_subscribers_;
-  bool use_fake_ui_;
-
-  base::WeakPtrFactory<MediaStreamDispatcherHost> weak_factory_;
-
   DISALLOW_COPY_AND_ASSIGN(MediaStreamDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_DISPATCHER_HOST_H_