Remove VideoDecoder::natural_size() & added VideoFrame::natural_size().

webkit/media/android/webmediaplayer_android.cc

Index: webkit/media/android/webmediaplayer_android.cc
diff --git a/webkit/media/android/webmediaplayer_android.cc b/webkit/media/android/webmediaplayer_android.cc
index ef457b25e5d4f7a9ed113b028d99647e2a57141b..8032a8cea779b0ae778d20b3fdb19a50221f8348 100644
--- a/webkit/media/android/webmediaplayer_android.cc
+++ b/webkit/media/android/webmediaplayer_android.cc
@@ -453,7 +453,8 @@ void WebMediaPlayerAndroid::OnVideoSizeChanged(int width, int height) {
   natural_size_.height = height;
   if (texture_id_) {
     video_frame_.reset(new WebVideoFrameImpl(VideoFrame::WrapNativeTexture(
-        texture_id_, kGLTextureExternalOES, width, height, base::TimeDelta(),
+        texture_id_, kGLTextureExternalOES, natural_size_, natural_size_,
+        base::TimeDelta(),
         base::Closure())));
   }
 }