Use webrtc::DesktopCapturer for screen capturer implementation.

media/video/capture/screen/mac/desktop_configuration.h

Index: media/video/capture/screen/mac/desktop_configuration.h
diff --git a/media/video/capture/screen/mac/desktop_configuration.h b/media/video/capture/screen/mac/desktop_configuration.h
index 3d03f39a4e5c0c913f6c0fd9d754db055f1569f1..dfa563f4dc3bed33f98735fbc31c719a55b67714 100644
--- a/media/video/capture/screen/mac/desktop_configuration.h
+++ b/media/video/capture/screen/mac/desktop_configuration.h
@@ -11,8 +11,7 @@
 
 #include "base/basictypes.h"
 #include "media/base/media_export.h"
-#include "third_party/skia/include/core/SkPoint.h"
-#include "third_party/skia/include/core/SkRect.h"
+#include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
 
 namespace media {
 
@@ -24,10 +23,10 @@ struct MEDIA_EXPORT MacDisplayConfiguration {
   CGDirectDisplayID id;
 
   // Bounds of this display in Density-Independent Pixels (DIPs).
-  SkIRect bounds;
+  webrtc::DesktopRect bounds;
 
   // Bounds of this display in physical pixels.
-  SkIRect pixel_bounds;
+  webrtc::DesktopRect pixel_bounds;
 
   // Scale factor from DIPs to physical pixels.
   float dip_to_pixel_scale;
@@ -49,10 +48,10 @@ struct MEDIA_EXPORT MacDesktopConfiguration {
   MEDIA_EXPORT static MacDesktopConfiguration GetCurrent(Origin origin);
 
   // Bounds of the desktop in Density-Independent Pixels (DIPs).
-  SkIRect bounds;
+  webrtc::DesktopRect bounds;
 
   // Bounds of the desktop in physical pixels.
-  SkIRect pixel_bounds;
+  webrtc::DesktopRect pixel_bounds;
 
   // Scale factor from DIPs to physical pixels.
   float dip_to_pixel_scale;