Convert HTMLFrameOwnerElement and FocusController to use Frame.

Source/web/WebViewImpl.h

Index: Source/web/WebViewImpl.h
diff --git a/Source/web/WebViewImpl.h b/Source/web/WebViewImpl.h
index 54fe72f083b8b5a329fd9f18b75add1a2a79bf7f..5ca430ed1837770f146b20df6dced93e6b181866 100644
--- a/Source/web/WebViewImpl.h
+++ b/Source/web/WebViewImpl.h
@@ -62,13 +62,14 @@
 #include "wtf/Vector.h"
 
 namespace WebCore {
-class DataObject;
 class Color;
-class LocalFrame;
+class DataObject;
+class Frame;
 class GraphicsLayerFactory;
 class HistoryItem;
 class HitTestResult;
 class KeyboardEvent;
+class LocalFrame;
 class Page;
 class PagePopup;
 class PagePopupClient;
@@ -316,7 +317,7 @@ public:
         return m_lastMouseDownPoint;
     }
 
-    WebCore::LocalFrame* focusedWebCoreFrame() const;
+    WebCore::Frame* focusedWebCoreFrame() const;
 
     // Returns the currently focused Element or null if no element has focus.
     WebCore::Element* focusedElement() const;