Oilpan: enable appcache + move DocumentLoader to the heap.

Source/core/loader/appcache/ApplicationCacheHost.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 25 matching lines @@
 #include "public/platform/WebApplicationCacheHostClient.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/Vector.h"
 
 namespace blink {
     class ApplicationCache;
     class DocumentLoader;
     class ResourceRequest;
     class ResourceResponse;
 
-    class ApplicationCacheHost final : public NoBaseWillBeGarbageCollectedFinalized<ApplicationCacheHost>, public WebApplicationCacheHostClient {
+    class ApplicationCacheHost final : public GarbageCollectedFinalized<ApplicationCacheHost>, public WebApplicationCacheHostClient {
         WTF_MAKE_NONCOPYABLE(ApplicationCacheHost);
     public:
-        static PassOwnPtrWillBeRawPtr<ApplicationCacheHost> create(DocumentLoader* loader)
+        static ApplicationCacheHost* create(DocumentLoader* loader)
         {
-            return adoptPtrWillBeNoop(new ApplicationCacheHost(loader));
+            return new ApplicationCacheHost(loader);
         }
+
         virtual ~ApplicationCacheHost();
-
-        void dispose();
+        void detachFromDocumentLoader();
 
         // The Status numeric values are specified in the HTML5 spec.
         enum Status {
             UNCACHED = 0,
             IDLE = 1,
             CHECKING = 2,
             DOWNLOADING = 3,
             UPDATEREADY = 4,
             OBSOLETE = 5
         };
@@ skipping 92 matching lines @@
                 , progressTotal(progressTotal)
                 , progressDone(progressDone)
                 , errorReason(errorReason)
                 , errorURL(errorURL)
                 , errorStatus(errorStatus)
                 , errorMessage(errorMessage)
             {
             }
         };
 
-        RawPtrWillBeWeakMember<ApplicationCache> m_domApplicationCache;
-        DocumentLoader* m_documentLoader;
+        WeakMember<ApplicationCache> m_domApplicationCache;
+        RawPtrWillBeMember<DocumentLoader> m_documentLoader;
         bool m_defersEvents; // Events are deferred until after document onload.
         Vector<DeferredEvent> m_deferredEvents;
 
         void dispatchDOMEvent(EventID, int progressTotal, int progressDone, WebApplicationCacheHost::ErrorReason, const String& errorURL, int errorStatus, const String& errorMessage);
 
         OwnPtr<WebApplicationCacheHost> m_host;
     };
 
 }  // namespace blink
 
 #endif  // ApplicationCacheHost_h