Remove a bunch of ApplicationCacheHost functions and parameters we don't use.

Source/core/loader/ResourceLoader.h

 /*
  * Copyright (C) 2005, 2006, 2011 Apple 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. 
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 70 matching lines @@
     virtual void didReceiveResponse(ResourceHandle*, const ResourceResponse&) OVERRIDE;
     virtual void didReceiveData(ResourceHandle*, const char*, int, int encodedDataLength) OVERRIDE;
     virtual void didReceiveCachedMetadata(ResourceHandle*, const char* data, int length) OVERRIDE;
     virtual void didFinishLoading(ResourceHandle*, double finishTime) OVERRIDE;
     virtual void didFail(ResourceHandle*, const ResourceError&) OVERRIDE;
     virtual void didDownloadData(ResourceHandle*, int) OVERRIDE;
 
     const KURL& url() const { return m_request.url(); } 
     ResourceHandle* handle() const { return m_handle.get(); }
     bool shouldSendResourceLoadCallbacks() const { return m_options.sendLoadCallbacks == SendCallbacks; }
-    void setSendCallbackPolicy(SendCallbackPolicy sendLoadCallbacks) { m_options.sendLoadCallbacks = sendLoadCallbacks; }
     bool shouldSniffContent() const { return m_options.sniffContent == SniffContent; }
 
     bool reachedTerminalState() const { return m_reachedTerminalState; }
 
     const ResourceRequest& request() const { return m_request; }
 
     void reportMemoryUsage(MemoryObjectInfo*) const;
 
 private:
     ResourceLoader(Frame*, CachedResource*, ResourceLoaderOptions);
@@ skipping 39 matching lines @@
     };
 
     CachedResource* m_resource;
     ResourceLoaderState m_state;
     OwnPtr<RequestCountTracker> m_requestCountTracker;
 };
 
 }
 
 #endif