Use webrtc::DesktopCapturer for screen capturer implementation.

media/video/capture/screen/x11/x_server_pixel_buffer.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.
 
 // Don't include this file in any .h files because it pulls in some X headers.
 
 #ifndef MEDIA_VIDEO_CAPTURE_SCREEN_X11_X_SERVER_PIXEL_BUFFER_H_
 #define MEDIA_VIDEO_CAPTURE_SCREEN_X11_X_SERVER_PIXEL_BUFFER_H_
 
 #include "base/basictypes.h"
-#include "third_party/skia/include/core/SkRect.h"
+#include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
 
 #include <X11/Xutil.h>
 #include <X11/extensions/XShm.h>
 
 namespace media {
 
 // A class to allow the X server's pixel buffer to be accessed as efficiently
 // as possible.
 class XServerPixelBuffer {
  public:
   XServerPixelBuffer();
   ~XServerPixelBuffer();
 
   void Release();
 
   // Allocate (or reallocate) the pixel buffer with the given size, which is
   // assumed to be the current size of the root window.
   // |screen_size| should either come from GetRootWindowSize(), or
   // from a recent ConfigureNotify event on the root window.
-  void Init(Display* display, const SkISize& screen_size);
+  void Init(Display* display, const webrtc::DesktopSize& screen_size);
 
   // Request the current size of the root window from the X Server.
-  static SkISize GetRootWindowSize(Display* display);
+  static webrtc::DesktopSize GetRootWindowSize(Display* display);
 
   // If shared memory is being used without pixmaps, synchronize this pixel
   // buffer with the root window contents (otherwise, this is a no-op).
   // This is to avoid doing a full-screen capture for each individual
   // rectangle in the capture list, when it only needs to be done once at the
   // beginning.
   void Synchronize();
 
   // Capture the specified rectangle and return a pointer to its top-left pixel
   // or NULL if capture fails. The returned pointer remains valid until the next
   // call to CaptureRect.
   // In the case where the full-screen data is captured by Synchronize(), this
   // simply returns the pointer without doing any more work.
   // The caller must ensure that |rect| is no larger than the screen size
   // supplied to Init().
-  uint8* CaptureRect(const SkIRect& rect);
+  uint8* CaptureRect(const webrtc::DesktopRect& rect);
 
   // Return information about the most recent capture. This is only guaranteed
   // to be valid between CaptureRect calls.
   int GetStride() const;
   int GetDepth() const;
   int GetBitsPerPixel() const;
   int GetRedMask() const;
   int GetBlueMask() const;
   int GetGreenMask() const;
 
  private:
   void InitShm(int screen);
   bool InitPixmaps(int depth);
 
   Display* display_;
   Window root_window_;
-  SkISize root_window_size_;
+  webrtc::DesktopSize root_window_size_;
   XImage* x_image_;
   XShmSegmentInfo* shm_segment_info_;
   Pixmap shm_pixmap_;
   GC shm_gc_;
 
   DISALLOW_COPY_AND_ASSIGN(XServerPixelBuffer);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_VIDEO_CAPTURE_SCREEN_X11_X_SERVER_PIXEL_BUFFER_H_