Clean up forward declarations in Source/core/html

Source/core/html/imports/HTMLImportsController.h

 /*
  * Copyright (C) 2013 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 26 matching lines @@
 #include "core/html/imports/HTMLImport.h"
 #include "platform/Supplementable.h"
 #include "platform/Timer.h"
 #include "wtf/FastAllocBase.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
 class FetchRequest;
-class ExecutionContext;
-class ResourceFetcher;
 class HTMLImportChild;
 class HTMLImportChildClient;
 class HTMLImportLoader;
 class HTMLImportTreeRoot;
 
 class HTMLImportsController FINAL : public NoBaseWillBeGarbageCollectedFinalized<HTMLImportsController>, public DocumentSupplement {
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(HTMLImportsController);
     WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
 public:
     static const char* supplementName();
@@ skipping 23 matching lines @@
     HTMLImportChild* createChild(const KURL&, HTMLImportLoader*, HTMLImport* parent, HTMLImportChildClient*);
 
     OwnPtrWillBeMember<HTMLImportTreeRoot> m_root;
     typedef WillBeHeapVector<OwnPtrWillBeMember<HTMLImportLoader> > LoaderList;
     LoaderList m_loaders;
 };
 
 } // namespace blink
 
 #endif // HTMLImportsController_h