Have Frame::loader() return a reference

Source/core/frame/Frame.h

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999-2001 Lars Knoll <knoll@kde.org>
  *                     1999-2001 Antti Koivisto <koivisto@kde.org>
  *                     2000-2001 Simon Hausmann <hausmann@kde.org>
  *                     2000-2001 Dirk Mueller <mueller@kde.org>
  *                     2000 Stefan Schimanski <1Stein@gmx.de>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
@@ skipping 79 matching lines @@
         Page* page() const;
         HTMLFrameOwnerElement* ownerElement() const;
 
         void setDOMWindow(PassRefPtr<DOMWindow>);
         DOMWindow* domWindow() const;
         Document* document() const;
         FrameView* view() const;
 
         Editor& editor() const;
         EventHandler& eventHandler() const;
-        FrameLoader* loader() const;
+        FrameLoader& loader() const;
         NavigationScheduler& navigationScheduler() const;
         FrameSelection& selection() const;
         FrameTree& tree() const;
         AnimationController& animation() const;
         InputMethodController& inputMethodController() const;
-        FetchContext& fetchContext() const { return loader()->fetchContext(); }
+        FetchContext& fetchContext() const { return loader().fetchContext(); }
         ScriptController& script();
         SpellChecker& spellChecker() const;
 
         RenderView* contentRenderer() const; // Root of the render tree for the document contained in this frame.
         RenderPart* ownerRenderer() const; // Renderer for the element that contains this frame.
 
         void dispatchVisibilityStateChangeEvent();
 
     // ======== All public functions below this point are candidates to move out of Frame into another class. ========
 
@@ skipping 78 matching lines @@
 #endif
 
         bool m_inViewSourceMode;
     };
 
     inline void Frame::init()
     {
         m_loader.init();
     }
 
-    inline FrameLoader* Frame::loader() const
+    inline FrameLoader& Frame::loader() const
     {
-        return &m_loader;
+        return m_loader;
     }
 
     inline NavigationScheduler& Frame::navigationScheduler() const
     {
         return m_navigationScheduler;
     }
 
     inline FrameView* Frame::view() const
     {
         return m_view.get();
@@ skipping 61 matching lines @@
 
     inline EventHandler& Frame::eventHandler() const
     {
         ASSERT(m_eventHandler);
         return *m_eventHandler;
     }
 
 } // namespace WebCore
 
 #endif // Frame_h