Remove shaped desktop support from remoting host and client.

remoting/client/plugin/pepper_video_renderer_2d.h

Index: remoting/client/plugin/pepper_video_renderer_2d.h
diff --git a/remoting/client/plugin/pepper_video_renderer_2d.h b/remoting/client/plugin/pepper_video_renderer_2d.h
index 014ccec31154692cfd4f2c0f54454589274e0636..2c6336f4ab82a327c440f0ef3ed77ceff6f9a807 100644
--- a/remoting/client/plugin/pepper_video_renderer_2d.h
+++ b/remoting/client/plugin/pepper_video_renderer_2d.h
@@ -21,7 +21,6 @@
 #include "remoting/client/plugin/pepper_video_renderer.h"
 #include "remoting/protocol/frame_consumer.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
-#include "third_party/webrtc/modules/desktop_capture/desktop_region.h"
 
 namespace base {
 class ScopedClosureRunner;
@@ -86,9 +85,6 @@ class PepperVideoRenderer2D : public PepperVideoRenderer,
   // Resolution of the most recent source frame dots-per-inch.
   webrtc::DesktopVector source_dpi_;
 
-  // Shape of the most recent source frame.
-  scoped_ptr<webrtc::DesktopRegion> source_shape_;
-
   // Done callbacks for the frames that have been painted but not flushed.
   ScopedVector<base::ScopedClosureRunner> pending_frames_done_callbacks_;