Fix regression from my previous change. Looks like we need to call SetWindow...

webkit/glue/webplugin_impl.h

 // Copyright (c) 2006-2008 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_GLUE_WEBPLUGIN_IMPL_H_
 #define WEBKIT_GLUE_WEBPLUGIN_IMPL_H_
 
 #include <string>
 #include <map>
 #include <vector>
@@ skipping 48 matching lines @@
   // Widget methods:
   virtual void setFrameRect(const WebCore::IntRect& rect);
   virtual void paint(WebCore::GraphicsContext*, const WebCore::IntRect& rect);
   virtual void invalidateRect(const WebCore::IntRect&);
   virtual void setFocus();
   virtual void show();
   virtual void hide();
   virtual void handleEvent(WebCore::Event* event);
   virtual void frameRectsChanged();
   virtual void setParentVisible(bool visible);
+  virtual void setParent(WebCore::ScrollView* view);
 
 #if USE(JSC)
   virtual bool isPluginView() const;
 #endif
 
   // Returns window-relative rectangles that should clip this widget.
   // Only rects that intersect the given bounds are relevant.
   // Use this to implement iframe shim behavior.
   //
   // TODO(tulrich): add this method to WebCore/platform/Widget.h so it
@@ skipping 279 matching lines @@
   // Holds the list of argument names passed to the plugin.
   std::vector<std::string> arg_names_;
 
   // Holds the list of argument values passed to the plugin.
   std::vector<std::string> arg_values_;
 
   DISALLOW_COPY_AND_ASSIGN(WebPluginImpl);
 };
 
 #endif  // #ifndef WEBKIT_GLUE_WEBPLUGIN_IMPL_H_