Get rid of explict editor dependency from text field

Source/core/editing/Editor.h

Index: Source/core/editing/Editor.h
diff --git a/Source/core/editing/Editor.h b/Source/core/editing/Editor.h
index f97084bbf9878ef6bd434c4fa9011353deacbd12..91b9523b4da9ad573a98f3523fa69cfa50a9351a 100644
--- a/Source/core/editing/Editor.h
+++ b/Source/core/editing/Editor.h
@@ -232,11 +232,6 @@ public:
     bool markedTextMatchesAreHighlighted() const;
     void setMarkedTextMatchesAreHighlighted(bool);
 
-    void textAreaOrTextFieldDidBeginEditing(Element*);
-    void textFieldDidEndEditing(Element*);
-    void textDidChangeInTextField(Element*);
-    bool doTextFieldCommandFromEvent(Element*, KeyboardEvent*);
-
     void replaceSelectionWithFragment(PassRefPtr<DocumentFragment>, bool selectReplacement, bool smartReplace, bool matchStyle);
     void replaceSelectionWithText(const String&, bool selectReplacement, bool smartReplace);