Revert of [Oilpan] Prepare full definition of classes before using Member

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

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2011 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
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 24 matching lines @@
 #include "core/fetch/ClientHintsPreferences.h"
 #include "core/fetch/RawResource.h"
 #include "core/fetch/ResourceLoaderOptions.h"
 #include "core/fetch/ResourcePtr.h"
 #include "core/fetch/SubstituteData.h"
 #include "core/frame/csp/ContentSecurityPolicy.h"
 #include "core/loader/DocumentLoadTiming.h"
 #include "core/loader/DocumentWriter.h"
 #include "core/loader/FrameLoaderTypes.h"
 #include "core/loader/NavigationPolicy.h"
-#include "core/loader/appcache/ApplicationCacheHost.h"
 #include "platform/SharedBuffer.h"
 #include "platform/network/ResourceError.h"
 #include "platform/network/ResourceRequest.h"
 #include "platform/network/ResourceResponse.h"
 #include "wtf/HashSet.h"
 #include "wtf/RefPtr.h"
 
 namespace blink {
 
+class ApplicationCacheHost;
 class ResourceFetcher;
 class DocumentInit;
 class LocalFrame;
 class FrameLoader;
 class MHTMLArchive;
 class ResourceLoader;
 class ThreadedDataReceiver;
 
 class CORE_EXPORT DocumentLoader : public RefCountedWillBeGarbageCollectedFinalized<DocumentLoader>, private RawResourceClient {
     USING_FAST_MALLOC_WILL_BE_REMOVED(DocumentLoader);
@@ skipping 11 matching lines @@
     unsigned long mainResourceIdentifier() const;
 
     void replaceDocumentWhileExecutingJavaScriptURL(const DocumentInit&, const String& source, Document*);
 
     const AtomicString& mimeType() const;
 
     const ResourceRequest& originalRequest() const;
 
     const ResourceRequest& request() const;
 
-    ResourceFetcher* fetcher() const;
+    ResourceFetcher* fetcher() const { return m_fetcher.get(); }
 
     const SubstituteData& substituteData() const { return m_substituteData; }
 
     const KURL& url() const;
     const KURL& unreachableURL() const;
     const KURL& urlForHistory() const;
 
     const AtomicString& responseMIMEType() const;
 
     void didChangePerformanceTiming();
@@ skipping 148 matching lines @@
     // Used to protect against reentrancy into dataReceived().
     bool m_inDataReceived;
     RefPtr<SharedBuffer> m_dataBuffer;
 };
 
 DECLARE_WEAK_IDENTIFIER_MAP(DocumentLoader);
 
 } // namespace blink
 
 #endif // DocumentLoader_h