Remove PlatformWidget references

Source/WebKit/chromium/src/WebPluginContainerImpl.cpp

 /*
  * Copyright (C) 2009 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 592 matching lines @@
     context->setFillColor(Color(0xCC, 0xCC, 0xCC), ColorSpaceDeviceRGB);
     context->fillRect(intersection(horizontalOverhangArea, dirtyRect));
     context->fillRect(intersection(verticalOverhangArea, dirtyRect));
     context->restore();
     return true;
 }
 
 // Private methods -------------------------------------------------------------
 
 WebPluginContainerImpl::WebPluginContainerImpl(WebCore::HTMLPlugInElement* element, WebPlugin* webPlugin)
-    : WebCore::PluginViewBase(0)
+    : WebCore::PluginViewBase()
     , m_element(element)
     , m_webPlugin(webPlugin)
     , m_webLayer(0)
     , m_touchEventRequestType(TouchEventRequestTypeNone)
     , m_wantsWheelEvents(false)
 {
 }
 
 WebPluginContainerImpl::~WebPluginContainerImpl()
 {
@@ skipping 236 matching lines @@
         // Take our element and get the clip rect from the enclosing layer and
         // frame view.
         clipRect.intersect(
             m_element->document()->view()->windowClipRectForFrameOwner(m_element, true));
     }
 
     return clipRect;
 }
 
 } // namespace WebKit