[Chromoting] Implement new APIs in DesktopCapturer

remoting/host/chromeos/aura_desktop_capturer.h

 // Copyright 2014 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_CHROMEOS_AURA_DESKTOP_CAPTURER_H_
 #define REMOTING_HOST_CHROMEOS_AURA_DESKTOP_CAPTURER_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 15 matching lines @@
 // be rendered to a given data structure.  Start() and Capture() must be called
 // on the Browser UI thread.
 class AuraDesktopCapturer : public webrtc::DesktopCapturer {
  public:
   AuraDesktopCapturer();
   ~AuraDesktopCapturer() override;
 
   // webrtc::DesktopCapturer implementation.
   void Start(webrtc::DesktopCapturer::Callback* callback) override;
   void CaptureFrame() override;
+  bool GetSourceList(SourceList* sources) override;
+  bool SelectSource(SourceId id) override;
 
  private:
   friend class AuraDesktopCapturerTest;
 
   // Called when a copy of the layer is captured.
   void OnFrameCaptured(std::unique_ptr<cc::CopyOutputResult> result);
 
   // Points to the callback passed to webrtc::DesktopCapturer::Start().
   webrtc::DesktopCapturer::Callback* callback_;
 
   // The root window of the Aura Shell.
   aura::Window* desktop_window_;
 
   base::WeakPtrFactory<AuraDesktopCapturer> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AuraDesktopCapturer);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_CHROMEOS_AURA_DESKTOP_CAPTURER_H_