Open the WrenchMenu on mouseover when dragging a browser action

ui/views/controls/menu/menu_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_MENU_MENU_CONTROLLER_H_
 #define UI_VIEWS_CONTROLS_MENU_MENU_CONTROLLER_H_
 
 #include "build/build_config.h"
 
 #include <list>
@@ skipping 384 matching lines @@
   // Starts/stops the timer that commits the pending state to state
   // (opens/closes submenus).
   void StartShowTimer();
   void StopShowTimer();
 
   // Starts/stops the timer cancel the menu. This is used during drag and
   // drop when the drop enters/exits the menu.
   void StartCancelAllTimer();
   void StopCancelAllTimer();
 
+  // Closes the menu because an in-progress drag-and-drop operation left the
+  // bounds of the active menu view.
+  void CancelAllForDrag();
+
   // Calculates the bounds of the menu to show. is_leading is set to match the
   // direction the menu opened in.
   gfx::Rect CalculateMenuBounds(MenuItemView* item,
                                 bool prefer_leading,
                                 bool* is_leading);
 
   // Calculates the bubble bounds of the menu to show. is_leading is set to
   // match the direction the menu opened in.
   gfx::Rect CalculateBubbleMenuBounds(MenuItemView* item,
                                       bool prefer_leading,
@@ skipping 207 matching lines @@
   bool item_selected_by_touch_;
 
   scoped_ptr<MenuMessageLoop> message_loop_;
 
   DISALLOW_COPY_AND_ASSIGN(MenuController);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_MENU_MENU_CONTROLLER_H_