Aura: Have ui::Layer implement WebKit::WebExternalTextureLayerClient

ui/aura/root_window.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 "ui/aura/root_window.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 542 matching lines @@
     defer_draw_scheduling_ = true;
     MessageLoop::current()->PostTask(
         FROM_HERE,
         base::Bind(&RootWindow::Draw, schedule_paint_factory_.GetWeakPtr()));
   }
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // RootWindow, ui::CompositorObserver implementation:
 
+void RootWindow::OnCompositingDidCommit(ui::Compositor*) {
+}
+
 void RootWindow::OnCompositingWillStart(ui::Compositor*) {
 }
 
 void RootWindow::OnCompositingStarted(ui::Compositor*) {
 }
 
 void RootWindow::OnCompositingEnded(ui::Compositor*) {
   TRACE_EVENT_ASYNC_END0("ui", "RootWindow::Draw",
                          compositor_->last_ended_frame());
   waiting_on_compositing_end_ = false;
@@ skipping 407 matching lines @@
 void RootWindow::UnlockCompositor() {
   DCHECK(compositor_lock_);
   compositor_lock_ = NULL;
   if (draw_on_compositor_unlock_) {
     draw_on_compositor_unlock_ = false;
     ScheduleDraw();
   }
 }
 
 }  // namespace aura