Remove most of Widget (FrameViewBase) class from HTMLPlugInElement.

third_party/WebKit/Source/web/ContextMenuClientImpl.cpp

 /*
  * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 240 matching lines @@
     if (mediaElement->shouldShowControls())
       data.mediaFlags |= WebContextMenuData::MediaControls;
   } else if (isHTMLObjectElement(*r.innerNode()) ||
              isHTMLEmbedElement(*r.innerNode())) {
     LayoutObject* object = r.innerNode()->layoutObject();
     if (object && object->isLayoutPart()) {
       FrameViewBase* frameViewBase = toLayoutPart(object)->frameViewBase();
       if (frameViewBase && frameViewBase->isPluginContainer()) {
         data.mediaType = WebContextMenuData::MediaTypePlugin;
         WebPluginContainerImpl* plugin =
-            toWebPluginContainerImpl(frameViewBase);
+            toWebPluginContainerImpl(toPluginView(frameViewBase));
         WebString text = plugin->plugin()->selectionAsText();
         if (!text.isEmpty()) {
           data.selectedText = text;
           data.editFlags |= WebContextMenuData::CanCopy;
         }
         data.editFlags &= ~WebContextMenuData::CanTranslate;
         data.linkURL = plugin->plugin()->linkAtPosition(data.mousePosition);
         if (plugin->plugin()->supportsPaginatedPrint())
           data.mediaFlags |= WebContextMenuData::MediaCanPrint;
 
@@ skipping 180 matching lines @@
   subMenuItems.swap(outputItems);
 }
 
 void ContextMenuClientImpl::populateCustomMenuItems(
     const ContextMenu* defaultMenu,
     WebContextMenuData* data) {
   populateSubMenuItems(defaultMenu->items(), data->customItems);
 }
 
 }  // namespace blink