Get rid of temporary scrollbar code now that WebKit is rolled.

webkit/plugins/ppapi/ppb_scrollbar_impl.h

 // 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.
 
 #ifndef WEBKIT_PLUGINS_PPAPI_PPB_SCROLLBAR_IMPL_H_
 #define WEBKIT_PLUGINS_PPAPI_PPB_SCROLLBAR_IMPL_H_
 
 #include <vector>
 
 #include "base/task.h"
@@ skipping 45 matching lines @@
 
   // PPB_Widget private implementation.
   virtual PP_Bool PaintInternal(const gfx::Rect& rect,
                                 PPB_ImageData_Impl* image) OVERRIDE;
   virtual PP_Bool HandleEventInternal(
       const ::ppapi::InputEventData& data) OVERRIDE;
   virtual void SetLocationInternal(const PP_Rect* location) OVERRIDE;
 
   // WebKit::WebScrollbarClient implementation.
   virtual void valueChanged(WebKit::WebScrollbar* scrollbar) OVERRIDE;
-  // TODO(jam): add OVERRIDE once WebKit is rolled
-  virtual void overlayChanged(WebKit::WebScrollbar* scrollbar);
+  virtual void overlayChanged(WebKit::WebScrollbar* scrollbar) OVERRIDE;
   virtual void invalidateScrollbarRect(WebKit::WebScrollbar* scrollbar,
                                        const WebKit::WebRect& rect) OVERRIDE;
   virtual void getTickmarks(
       WebKit::WebScrollbar* scrollbar,
       WebKit::WebVector<WebKit::WebRect>* tick_marks) const OVERRIDE;
 
   void NotifyInvalidate();
 
   gfx::Rect dirty_;
   std::vector<WebKit::WebRect> tickmarks_;
   scoped_ptr<WebKit::WebScrollbar> scrollbar_;
 
   // Used so that the post task for Invalidate doesn't keep an extra reference.
   ScopedRunnableMethodFactory<PPB_Scrollbar_Impl> method_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PPB_Scrollbar_Impl);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PPB_SCROLLBAR_IMPL_H_