Cleanup MenuRunner API

ui/views/controls/scrollbar/base_scroll_bar.cc

 // 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.
 
 #include "ui/views/controls/scrollbar/base_scroll_bar.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
@@ skipping 255 matching lines @@
                                            const gfx::Point& p,
                                            ui::MenuSourceType source_type) {
   Widget* widget = GetWidget();
   gfx::Rect widget_bounds = widget->GetWindowBoundsInScreen();
   gfx::Point temp_pt(p.x() - widget_bounds.x(), p.y() - widget_bounds.y());
   View::ConvertPointFromWidget(this, &temp_pt);
   context_menu_mouse_position_ = IsHorizontal() ? temp_pt.x() : temp_pt.y();
 
   views::MenuItemView* menu = new views::MenuItemView(this);
   // MenuRunner takes ownership of |menu|.
-  menu_runner_.reset(new MenuRunner(menu, MenuRunner::HAS_MNEMONICS |
-                                              views::MenuRunner::CONTEXT_MENU |
-                                              views::MenuRunner::ASYNC));
+  menu_runner_.reset(new MenuRunner(
+      menu, MenuRunner::HAS_MNEMONICS | views::MenuRunner::CONTEXT_MENU));
   menu->AppendDelegateMenuItem(ScrollBarContextMenuCommand_ScrollHere);
   menu->AppendSeparator();
   menu->AppendDelegateMenuItem(ScrollBarContextMenuCommand_ScrollStart);
   menu->AppendDelegateMenuItem(ScrollBarContextMenuCommand_ScrollEnd);
   menu->AppendSeparator();
   menu->AppendDelegateMenuItem(ScrollBarContextMenuCommand_ScrollPageUp);
   menu->AppendDelegateMenuItem(ScrollBarContextMenuCommand_ScrollPageDown);
   menu->AppendSeparator();
   menu->AppendDelegateMenuItem(ScrollBarContextMenuCommand_ScrollPrev);
   menu->AppendDelegateMenuItem(ScrollBarContextMenuCommand_ScrollNext);
@@ skipping 195 matching lines @@
   int track_size = GetTrackSize();
   if (track_size == thumb_size)
     return 0;
   if (scroll_to_middle)
     thumb_position = thumb_position - (thumb_size / 2);
   return (thumb_position * (contents_size_ - viewport_size_)) /
          (track_size - thumb_size);
 }
 
 }  // namespace views