Convert HTMLFrameOwnerElement and FocusController to use Frame.

Source/core/editing/Editor.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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 787 matching lines @@
 
             // Insert the text
             TypingCommand::Options options = 0;
             if (selectInsertedText)
                 options |= TypingCommand::SelectInsertedText;
             TypingCommand::insertText(*document.get(), text, selection, options, triggeringEvent && triggeringEvent->isComposition() ? TypingCommand::TextCompositionConfirm : TypingCommand::TextCompositionNone);
 
             // Reveal the current selection
             if (LocalFrame* editedFrame = document->frame()) {
                 if (Page* page = editedFrame->page())
-                    page->focusController().focusedOrMainFrame()->selection().revealSelection(ScrollAlignment::alignCenterIfNeeded);
+                    toLocalFrame(page->focusController().focusedOrMainFrame())->selection().revealSelection(ScrollAlignment::alignCenterIfNeeded);
             }
         }
     }
 
     return true;
 }
 
 bool Editor::insertLineBreak()
 {
     if (!canEdit())
@@ skipping 410 matching lines @@
     return m_frame.spellChecker();
 }
 
 void Editor::toggleOverwriteModeEnabled()
 {
     m_overwriteModeEnabled = !m_overwriteModeEnabled;
     frame().selection().setShouldShowBlockCursor(m_overwriteModeEnabled);
 }
 
 } // namespace WebCore