Location/size change notification when external rendering is enabled

webkit/media/android/webmediaplayer_android.h

Index: webkit/media/android/webmediaplayer_android.h
diff --git a/webkit/media/android/webmediaplayer_android.h b/webkit/media/android/webmediaplayer_android.h
index a0fb5bbaf78d3fd29ddf8f12c0f68367161cf033..db8c3b978bb83c0c812e5deda108abfa1dbcff4c 100644
--- a/webkit/media/android/webmediaplayer_android.h
+++ b/webkit/media/android/webmediaplayer_android.h
@@ -16,6 +16,7 @@
 #include "third_party/WebKit/Source/Platform/chromium/public/WebSize.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebURL.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebMediaPlayer.h"
+#include "ui/gfx/rect_f.h"
 #include "webkit/media/android/stream_texture_factory_android.h"
 
 namespace webkit {
@@ -132,6 +133,11 @@ class WebMediaPlayerAndroid
   // Detach the player from its manager.
   void Detach();
 
+  // Retrieve geometry of the media player (i.e. location and size of the video
+  // frame) if changed. Returns true only if the geometry has been changed since
+  // the last call.
+  bool GetGeometryChange(gfx::RectF* rect);
+
  protected:
   // Construct a WebMediaPlayerAndroid object with reference to the
   // client, manager and stream texture factory.
@@ -258,6 +264,10 @@ class WebMediaPlayerAndroid
 
   scoped_ptr<webkit::WebLayerImpl> video_weblayer_;
 
+  // A rectangle represents the geometry of video frame, when computed last
+  // time.
+  gfx::RectF last_computed_rect_;
+
   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerAndroid);
 };