Views::Textfield: Decouple handling of menu and text editing commands.

ui/views/controls/textfield/textfield.h

Index: ui/views/controls/textfield/textfield.h
diff --git a/ui/views/controls/textfield/textfield.h b/ui/views/controls/textfield/textfield.h
index b9a3316864bee26d37779c0acb3119f81243ac95..2d407752aa43f5103155afc85af9369b00f89bbc 100644
--- a/ui/views/controls/textfield/textfield.h
+++ b/ui/views/controls/textfield/textfield.h
@@ -203,9 +203,6 @@ class VIEWS_EXPORT Textfield : public View,
   // Set the accessible name of the text field.
   void SetAccessibleName(const base::string16& name);
 
-  // Performs the action associated with the specified command id.
-  void ExecuteCommand(int command_id);
-
   // Returns whether there is a drag operation originating from the textfield.
   bool HasTextBeingDragged();
 
@@ -321,6 +318,9 @@ class VIEWS_EXPORT Textfield : public View,
   // Get the text from the selection clipboard.
   virtual base::string16 GetSelectionClipboardText() const;
 
+  // Executes the given text editing command.
+  virtual void ExecuteEditCommand(int command_id);
+
  private:
   friend class TextfieldTestApi;