Connect to DesktopEnvironment's stubs only when audio/video schedulers are about to be created.

remoting/capturer/video_frame_capturer_fake.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_CAPTURER_VIDEO_FRAME_CAPTURER_FAKE_H_
 #define REMOTING_CAPTURER_VIDEO_FRAME_CAPTURER_FAKE_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "remoting/capturer/video_frame_capturer.h"
 #include "remoting/capturer/video_frame_capturer_helper.h"
 
 namespace remoting {
 
 // A VideoFrameCapturerFake generates artificial image for testing purpose.
 //
 // VideoFrameCapturerFake is double-buffered as required by VideoFrameCapturer.
 // See remoting/host/video_frame_capturer.h.
 class VideoFrameCapturerFake : public VideoFrameCapturer {
  public:
+  // VideoFrameCapturerFake generates a picture of size kWidth x kHeight.
+  static const int kWidth = 800;
+  static const int kHeight = 600;
+
   VideoFrameCapturerFake();
   virtual ~VideoFrameCapturerFake();
 
   // Overridden from VideoFrameCapturer:
   virtual void Start(Delegate* delegate) OVERRIDE;
   virtual void Stop() OVERRIDE;
   virtual void InvalidateRegion(const SkRegion& invalid_region) OVERRIDE;
   virtual void CaptureFrame() OVERRIDE;
   virtual const SkISize& size_most_recent() const OVERRIDE;
 
@@ skipping 21 matching lines @@
 
   // The current buffer with valid data for reading.
   int current_buffer_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoFrameCapturerFake);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CAPTURER_VIDEO_FRAME_CAPTURER_FAKE_H_