Tab Capture: Backing store readbacks to YV12 VideoFrames.

content/browser/renderer_host/render_widget_host_view_guest.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 "base/bind_helpers.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "content/browser/browser_plugin/browser_plugin_guest.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_view_guest.h"
@@ skipping 194 matching lines @@
   return NULL;
 }
 
 void RenderWidgetHostViewGuest::CopyFromCompositingSurface(
     const gfx::Rect& src_subrect,
     const gfx::Size& /* dst_size */,
     const base::Callback<void(bool, const SkBitmap&)>& callback) {
   callback.Run(false, SkBitmap());
 }
 
+#if defined(OS_WIN)
+void RenderWidgetHostViewGuest::CopyFromCompositingSurfaceToVideoFrame(
+    const gfx::Rect& src_subrect,
+    const scoped_refptr<media::VideoFrame>& target,
+    const base::Callback<void(bool)>& callback) {
+  callback.Run(false);
+}
+#endif
+
 void RenderWidgetHostViewGuest::AcceleratedSurfaceSuspend() {
 }
 
 bool RenderWidgetHostViewGuest::HasAcceleratedSurface(
       const gfx::Size& desired_size) {
   return false;
 }
 
 void RenderWidgetHostViewGuest::SetBackground(const SkBitmap& background) {
 }
@@ skipping 137 matching lines @@
 
 #if defined(OS_WIN) && !defined(USE_AURA)
 void RenderWidgetHostViewGuest::WillWmDestroy() {
 }
 #endif
 
 void RenderWidgetHostViewGuest::GetScreenInfo(WebKit::WebScreenInfo* results) {
 }
 
 }  // namespace content