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      1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_CHROMEOS_BRIGHTNESS_BUBBLE_H_
      6 #define CHROME_BROWSER_CHROMEOS_BRIGHTNESS_BUBBLE_H_
      7 #pragma once
      8 
      9 #include "base/basictypes.h"
     10 #include "chrome/browser/chromeos/setting_level_bubble.h"
     11 
     12 template <typename T> struct DefaultSingletonTraits;
     13 
     14 namespace chromeos {
     15 
     16 // Singleton class controlling brightness bubble.
     17 class BrightnessBubble : public SettingLevelBubble {
     18  public:
     19   static BrightnessBubble* GetInstance();
     20 
     21  private:
     22   friend struct DefaultSingletonTraits<BrightnessBubble>;
     23 
     24   BrightnessBubble();
     25   virtual ~BrightnessBubble() {}
     26 
     27   DISALLOW_COPY_AND_ASSIGN(BrightnessBubble);
     28 };
     29 
     30 }  // namespace chromeos
     31 
     32 #endif  // CHROME_BROWSER_CHROMEOS_BRIGHTNESS_BUBBLE_H_
     33