blink: Cleanup class/struct forward declarations

third_party/WebKit/public/web/WebFrame.h

 /*
  * 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 21 matching lines @@
 #define WebFrame_h
 
 #include "WebIconURL.h"
 #include "WebNode.h"
 #include "public/platform/WebCanvas.h"
 #include "public/platform/WebInsecureRequestPolicy.h"
 #include "public/web/WebFrameLoadType.h"
 #include "public/web/WebTreeScopeType.h"
 #include <memory>
 
-struct NPObject;
-
 namespace v8 {
 class Context;
 class Function;
-class Object;
 class Value;
 template <class T>
 class Local;
 }
 
 namespace blink {
 
 class Frame;
 class OpenedFrameTracker;
 class Visitor;
 class WebAssociatedURLLoader;
 struct WebAssociatedURLLoaderOptions;
 class WebDOMEvent;
 class WebData;
 class WebDataSource;
 class WebDocument;
 class WebElement;
 class WebFrameImplBase;
-class WebLayer;
 class WebLocalFrame;
 class WebPerformance;
 class WebRemoteFrame;
 class WebSecurityOrigin;
 class WebSharedWorkerRepositoryClient;
 class WebString;
 class WebURL;
 class WebURLRequest;
 class WebView;
 enum class WebSandboxFlags;
@@ skipping 416 matching lines @@
   WebFrame* m_firstChild;
   WebFrame* m_lastChild;
 
   WebFrame* m_opener;
   std::unique_ptr<OpenedFrameTracker> m_openedFrameTracker;
 };
 
 }  // namespace blink
 
 #endif