Prepare PepperWidget and RenderWidget for WebKit threaded compositing changes.

content/renderer/render_widget_fullscreen_pepper.cc

 // Copyright (c) 2011 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 "content/renderer/render_widget_fullscreen_pepper.h"
 
 #include "base/message_loop.h"
 #include "content/common/view_messages.h"
 #include "content/renderer/renderer_gl_context.h"
 #include "content/renderer/gpu_channel_host.h"
@@ skipping 41 matching lines @@
     return size_;
   }
 
   virtual void resize(const WebSize& size) {
     size_ = size;
     WebRect plugin_rect(0, 0, size_.width, size_.height);
     plugin_->ViewChanged(plugin_rect, plugin_rect);
     widget_->Invalidate();
   }
 
+#ifndef WEBWIDGET_HAS_ANIMATE_CHANGES
   virtual void animate() {
   }
+#else
+  virtual void animate(double frameBeginTime) {
+  }
+#endif
 
   virtual void layout() {
   }
 
   virtual void paint(WebCanvas* canvas, const WebRect& rect) {
     WebRect plugin_rect(0, 0, size_.width, size_.height);
     plugin_->Paint(canvas, plugin_rect, rect);
   }
 
   virtual void composite(bool finish) {
@@ skipping 390 matching lines @@
       NewRunnableFunction(DestroyContext, context_, program_, buffer_));
   context_ = NULL;
   program_ = 0;
   buffer_ = 0;
   OnSwapBuffersAborted();
 }
 
 void RenderWidgetFullscreenPepper::OnSwapBuffersCompleteByRendererGLContext() {
   OnSwapBuffersComplete();
 }