Update drop down menu look & feel

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 450 matching lines @@
 
   // If true, Run blocks. If false, Run doesn't block and this is used for
   // drag and drop. Note that the semantics for drag and drop are slightly
   // different: cancel timer is kicked off any time the drag moves outside the
   // menu, mouse events do nothing...
   bool blocking_run_;
 
   // If true, we're showing.
   bool showing_;
 
-  // Is true for some menu types and only until the first mouse press or mouse
-  // release event occurs.
-  bool drop_first_release_event_;
-
   // Indicates what to exit.
   ExitType exit_type_;
 
   // Whether we did a capture. We do a capture only if we're blocking and
   // the mouse was down when Run.
   bool did_capture_;
 
   // As the user drags the mouse around pending_state_ changes immediately.
   // When the user stops moving/dragging the mouse (or clicks the mouse)
   // pending_state_ is committed to state_, potentially resulting in
@@ skipping 71 matching lines @@
   // How deep we are in nested message loops. This should be at most 2 (when
   // showing a context menu from a menu).
   int message_loop_depth_;
 
   DISALLOW_COPY_AND_ASSIGN(MenuController);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_MENU_MENU_CONTROLLER_H_