[Chromoting] Implement new APIs in DesktopCapturer

remoting/host/ipc_video_frame_capturer.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 REMOTING_HOST_IPC_VIDEO_FRAME_CAPTURER_H_
 #define REMOTING_HOST_IPC_VIDEO_FRAME_CAPTURER_H_
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_capturer.h"
 
 namespace remoting {
 
 class DesktopSessionProxy;
 
 // Routes webrtc::DesktopCapturer calls though the IPC channel to the desktop
 // session agent running in the desktop integration process.
 class IpcVideoFrameCapturer : public webrtc::DesktopCapturer {
  public:
   explicit IpcVideoFrameCapturer(
       scoped_refptr<DesktopSessionProxy> desktop_session_proxy);
   ~IpcVideoFrameCapturer() override;
 
   // webrtc::DesktopCapturer interface.
   void Start(Callback* callback) override;
   void CaptureFrame() override;
+  bool GetSourceList(SourceList* sources) override;
+  bool SelectSource(SourceId id) override;
 
   // Called when a video |frame| has been captured.
   void OnCaptureResult(webrtc::DesktopCapturer::Result result,
                        std::unique_ptr<webrtc::DesktopFrame> frame);
 
  private:
   // Points to the callback passed to webrtc::DesktopCapturer::Start().
   webrtc::DesktopCapturer::Callback* callback_;
 
   // Wraps the IPC channel to the desktop session agent.
   scoped_refptr<DesktopSessionProxy> desktop_session_proxy_;
 
   // Set to true when a frame is being captured.
   bool capture_pending_;
 
   // Used to cancel tasks pending on the capturer when it is stopped.
   base::WeakPtrFactory<IpcVideoFrameCapturer> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(IpcVideoFrameCapturer);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_IPC_VIDEO_FRAME_CAPTURER_H_