blink: Cleanup class/struct forward declarations

third_party/WebKit/Source/core/loader/FrameLoaderClient.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights
  * reserved.
  * Copyright (C) 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 51 matching lines @@
 class HTMLFrameElementBase;
 class HTMLFrameOwnerElement;
 class HTMLMediaElement;
 class HTMLPlugInElement;
 class HistoryItem;
 class KURL;
 class LocalFrame;
 class ResourceError;
 class ResourceRequest;
 class ResourceResponse;
-class ScriptState;
 class SecurityOrigin;
 class SharedWorkerRepositoryClient;
 class SubstituteData;
 class WebApplicationCacheHost;
 class WebApplicationCacheHostClient;
 class WebCookieJar;
 class WebMediaPlayer;
 class WebMediaPlayerClient;
 class WebMediaPlayerSource;
 class WebRemotePlaybackClient;
@@ skipping 256 matching lines @@
   }
 
   // Overwrites the given URL to use an HTML5 embed if possible. An empty URL is
   // returned if the URL is not overriden.
   virtual KURL overrideFlashEmbedWithHTML(const KURL&) { return KURL(); }
 };
 
 }  // namespace blink
 
 #endif  // FrameLoaderClient_h