Part 1 to rename platform/Widget to platform/FrameViewBase.

third_party/WebKit/Source/web/WebPluginContainerImpl.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2014 Opera Software ASA. 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.
@@ skipping 37 matching lines @@
 class HTMLFrameOwnerElement;
 class HTMLPlugInElement;
 class IntRect;
 class KeyboardEvent;
 class MouseEvent;
 class ResourceError;
 class ResourceResponse;
 class TouchEvent;
 class WebPlugin;
 class WheelEvent;
-class Widget;
 struct WebPrintParams;
 struct WebPrintPresetOptions;
 
 class WEB_EXPORT WebPluginContainerImpl final
     : public PluginView,
       NON_EXPORTED_BASE(public WebPluginContainer),
       public ContextClient {
   USING_GARBAGE_COLLECTED_MIXIN(WebPluginContainerImpl);
   USING_PRE_FINALIZER(WebPluginContainerImpl, dispose);
 
@@ skipping 160 matching lines @@
 // WebPluginContainerImpl is the only subclass of WebPluginContainer.
 DEFINE_TYPE_CASTS(WebPluginContainerImpl,
                   WebPluginContainer,
                   container,
                   true,
                   true);
 
 }  // namespace blink
 
 #endif