Support reading pixels from HW-decoded video textures into canvas/webgl.

webkit/media/android/webmediaplayer_android.cc

 // 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.
 
 #include "webkit/media/android/webmediaplayer_android.h"
 
 #include "base/file_path.h"
 #include "base/logging.h"
 #include "media/base/android/media_player_bridge.h"
 #include "net/base/mime_util.h"
@@ skipping 319 matching lines @@
 void WebMediaPlayerAndroid::OnVideoSizeChanged(int width, int height) {
   if (natural_size_.width == width && natural_size_.height == height)
     return;
 
   natural_size_.width = width;
   natural_size_.height = height;
   if (texture_id_) {
     video_frame_.reset(new WebVideoFrameImpl(VideoFrame::WrapNativeTexture(
         texture_id_, kGLTextureExternalOES, natural_size_, natural_size_,
         base::TimeDelta(),
+        VideoFrame::ReadPixelsCB(),
         base::Closure())));
   }
 }
 
 void WebMediaPlayerAndroid::UpdateNetworkState(
     WebMediaPlayer::NetworkState state) {
   network_state_ = state;
   client_->networkStateChanged();
 }
 
@@ skipping 57 matching lines @@
   if (stream_texture_factory_.get() && stream_id_)
     stream_texture_factory_->EstablishPeer(stream_id_, player_id_);
   needs_establish_peer_ = false;
 }
 
 void WebMediaPlayerAndroid::UpdatePlayingState(bool is_playing) {
   is_playing_ = is_playing;
 }
 
 }  // namespace webkit_media