Converted VideoFrameCapturer callbacks into a VideoFrameCapturer::Delegate interface.

remoting/host/video_frame_capturer_fake.h

Index: remoting/host/video_frame_capturer_fake.h
diff --git a/remoting/host/video_frame_capturer_fake.h b/remoting/host/video_frame_capturer_fake.h
index ac4b19a4adc20239fca685f544567bd414f9de80..5cb7d531cffb0c430a39e1cd6eaf20878055798c 100644
--- a/remoting/host/video_frame_capturer_fake.h
+++ b/remoting/host/video_frame_capturer_fake.h
@@ -21,13 +21,11 @@ class VideoFrameCapturerFake : public VideoFrameCapturer {
   virtual ~VideoFrameCapturerFake();
 
   // Overridden from VideoFrameCapturer:
-  virtual void Start(
-      const CursorShapeChangedCallback& callback) OVERRIDE;
+  virtual void Start(Delegate* delegate) OVERRIDE;
   virtual void Stop() OVERRIDE;
   virtual media::VideoFrame::Format pixel_format() const OVERRIDE;
   virtual void InvalidateRegion(const SkRegion& invalid_region) OVERRIDE;
-  virtual void CaptureInvalidRegion(
-      const CaptureCompletedCallback& callback) OVERRIDE;
+  virtual void CaptureInvalidRegion() OVERRIDE;
   virtual const SkISize& size_most_recent() const OVERRIDE;
 
  private:
@@ -37,6 +35,8 @@ class VideoFrameCapturerFake : public VideoFrameCapturer {
   // Called when the screen configuration is changed.
   void ScreenConfigurationChanged();
 
+  Delegate* delegate_;
+
   SkISize size_;
   int bytes_per_row_;
   int box_pos_x_;