Remove our logic to handle stopping a load inside startProvisionaLoad callbacks

Source/core/loader/FrameLoader.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) Research In Motion Limited 2009. 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:
  *
@@ skipping 295 matching lines @@
 
     bool shouldReload(const KURL& currentURL, const KURL& destinationURL);
 
     void requestFromDelegate(ResourceRequest&, unsigned long& identifier, ResourceError&);
 
     void detachChildren();
     void closeAndRemoveChild(Frame*);
 
     void loadInSameDocument(const KURL&, PassRefPtr<SerializedScriptValue> stateObject, bool isNewNavigation);
 
-    void prepareForLoadStart();
-
     bool didOpenURL();
 
     void scheduleCheckCompleted();
     void scheduleCheckLoadComplete();
     void startCheckCompleteTimer();
 
     bool shouldTreatURLAsSameAsCurrent(const KURL&) const;
 
     Frame* m_frame;
     FrameLoaderClient* m_client;
@@ skipping 58 matching lines @@
 // the frame name references a frame different from the openerFrame, e.g. when it is
 // "_self" or "_parent".
 //
 // FIXME: Consider making this function part of an appropriate class (not FrameLoader)
 // and moving it to a more appropriate location.
 Frame* createWindow(Frame* openerFrame, Frame* lookupFrame, const FrameLoadRequest&, const WindowFeatures&, bool& created);
 
 } // namespace WebCore
 
 #endif // FrameLoader_h