Get rid of explict editor dependency from text field

Source/core/page/EditorClient.h

 /*
  * Copyright (C) 2006, 2007 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 63 matching lines @@
     virtual bool canCopyCut(Frame*, bool defaultValue) const = 0;
     virtual bool canPaste(Frame*, bool defaultValue) const = 0;
     virtual bool canUndo() const = 0;
     virtual bool canRedo() const = 0;
 
     virtual void undo() = 0;
     virtual void redo() = 0;
 
     virtual void handleKeyboardEvent(KeyboardEvent*) = 0;
 
-    virtual void textFieldDidEndEditing(Element*) = 0;
-    virtual void textDidChangeInTextField(Element*) = 0;
-    virtual bool doTextFieldCommandFromEvent(Element*, KeyboardEvent*) = 0;
-
     virtual TextCheckerClient& textChecker() = 0;
 
     virtual void updateSpellingUIWithMisspelledWord(const String&) = 0;
     virtual void showSpellingUI(bool show) = 0;
     virtual bool spellingUIIsShowing() = 0;
     virtual void willSetInputMethodState() = 0;
 
     // Support for global selections, used on platforms like the X Window System that treat
     // selection as a type of clipboard.
     virtual bool supportsGlobalSelection() { return false; }
 };
 
 }
 
 #endif // EditorClient_h