patch from issue 218843002

ash/system/user/user_view.cc

 // Copyright 2014 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 "ash/system/user/user_view.h"
 
 #include <algorithm>
 
 #include "ash/multi_profile_uma.h"
 #include "ash/popup_message.h"
@@ skipping 77 matching lines @@
   LogoutButton(views::ButtonListener* listener,
                const base::string16& text,
                bool placeholder)
       : TrayPopupLabelButton(listener, text), placeholder_(placeholder) {
     SetEnabled(!placeholder_);
   }
 
   virtual ~LogoutButton() {}
 
  private:
-  virtual void Paint(gfx::Canvas* canvas) OVERRIDE {
+  virtual void Paint(gfx::Canvas* canvas,
+                     const views::CullSet& cull_set) OVERRIDE {
     // Just skip paint if this button used as a placeholder.
     if (!placeholder_)
-      TrayPopupLabelButton::Paint(canvas);
+      TrayPopupLabelButton::Paint(canvas, cull_set);
   }
 
   bool placeholder_;
   DISALLOW_COPY_AND_ASSIGN(LogoutButton);
 };
 
 class UserViewMouseWatcherHost : public views::MouseWatcherHost {
  public:
   explicit UserViewMouseWatcherHost(const gfx::Rect& screen_area)
       : screen_area_(screen_area) {}
@@ skipping 370 matching lines @@
   // watcher which will close the "menu".
   gfx::Rect area = user_card_view_->GetBoundsInScreen();
   area.set_height(2 * area.height());
   mouse_watcher_.reset(
       new views::MouseWatcher(new UserViewMouseWatcherHost(area), this));
   mouse_watcher_->Start();
 }
 
 }  // namespace tray
 }  // namespace ash