MacViews: Extend TextInputClient protocol with support for editing commands.

ui/views/controls/prefix_selector.h

Index: ui/views/controls/prefix_selector.h
diff --git a/ui/views/controls/prefix_selector.h b/ui/views/controls/prefix_selector.h
index a7ba50767171873ef3bebffeb7f45f06056769d5..255046f60dff9aed12021c2286c9de0395e59f82 100644
--- a/ui/views/controls/prefix_selector.h
+++ b/ui/views/controls/prefix_selector.h
@@ -55,6 +55,9 @@ class VIEWS_EXPORT PrefixSelector : public ui::TextInputClient {
   virtual void OnCandidateWindowUpdated() OVERRIDE;
   virtual void OnCandidateWindowHidden() OVERRIDE;
 
+  virtual bool IsEditingCommandEnabled(int command_id) OVERRIDE;
+  virtual void ExecuteEditingCommand(int command_id) OVERRIDE;
+
  private:
   // Invoked when text is typed. Tries to change the selection appropriately.
   void OnTextInput(const base::string16& text);