Convert HTMLFrameOwnerElement and FocusController to use Frame.

Source/core/frame/LocalFrame.h

Index: Source/core/frame/LocalFrame.h
diff --git a/Source/core/frame/LocalFrame.h b/Source/core/frame/LocalFrame.h
index 718b91a79451d05bffae4f54b9a1644b19433cba..3f00e0430cba3a9d6aeaa41997056ec17fee21f1 100644
--- a/Source/core/frame/LocalFrame.h
+++ b/Source/core/frame/LocalFrame.h
@@ -72,9 +72,6 @@ namespace WebCore {
 
         virtual void willDetachFrameHost() OVERRIDE;
         virtual void detachFromFrameHost() OVERRIDE;
-        void disconnectOwnerElement();
-
-        HTMLFrameOwnerElement* ownerElement() const;
 
         virtual void setDOMWindow(PassRefPtr<DOMWindow>) OVERRIDE;
         FrameView* view() const;
@@ -214,11 +211,6 @@ namespace WebCore {
         return *m_inputMethodController;
     }
 
-    inline HTMLFrameOwnerElement* LocalFrame::ownerElement() const
-    {
-        return m_ownerElement;
-    }
-
     inline bool LocalFrame::inViewSourceMode() const
     {
         return m_inViewSourceMode;