Aura: Add "Edit Search Engines" option to the aura omnibox context menu.

ui/views/controls/textfield/textfield_controller.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_CONTROLLER_H_
 #define UI_VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_CONTROLLER_H_
 #pragma once
 
 #include "base/string16.h"
 #include "ui/views/views_export.h"
 
 namespace ui {
 class OSExchangeData;
+class SimpleMenuModel;
 }  // namespace ui
 
 namespace views {
 
 class KeyEvent;
 class Textfield;
 
 // This defines the callback interface for other code to be notified of changes
 // in the state of a text field.
 class VIEWS_EXPORT TextfieldController {
@@ skipping 18 matching lines @@
   // It's currently only supported by Views implementation.
   virtual void OnAfterUserAction(Textfield* sender) {}
 
   // Called after performing a Cut or Copy operation.
   virtual void OnAfterCutOrCopy() {}
 
   // Called after the textfield has written drag data to give the controller a
   // chance to modify the drag data.
   virtual void OnWriteDragData(ui::OSExchangeData* data) {}
 
+  // Gives the controller a chance to modify the context menu contents.
+  virtual void UpdateContextMenu(ui::SimpleMenuModel* menu_contents) {}
+
+  // Returns true if the |command_id| should be enabled in the context menu.
+  virtual bool IsCommandIdEnabled(int command_id) const { return false; }
+
+  // Execute context menu command specified by |command_id|.
+  virtual void ExecuteCommand(int command_id) {}
+
  protected:
   virtual ~TextfieldController() {}
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_CONTROLLER_H_