chromeos: Move files in //ash/common to //ash, part 1

ash/system/brightness_control_delegate.h

Index: ash/system/brightness_control_delegate.h
diff --git a/ash/common/system/brightness_control_delegate.h b/ash/system/brightness_control_delegate.h
similarity index 86%
rename from ash/common/system/brightness_control_delegate.h
rename to ash/system/brightness_control_delegate.h
index d85ce4198002c397601c2797ad8c1b4eea79470f..153cc928691a5fb1585f805dfc6226736979993f 100644
--- a/ash/common/system/brightness_control_delegate.h
+++ b/ash/system/brightness_control_delegate.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_COMMON_SYSTEM_BRIGHTNESS_CONTROL_DELEGATE_H_
-#define ASH_COMMON_SYSTEM_BRIGHTNESS_CONTROL_DELEGATE_H_
+#ifndef ASH_SYSTEM_BRIGHTNESS_CONTROL_DELEGATE_H_
+#define ASH_SYSTEM_BRIGHTNESS_CONTROL_DELEGATE_H_
 
 #include "base/callback.h"
 
@@ -36,4 +36,4 @@ class BrightnessControlDelegate {
 
 }  // namespace ash
 
-#endif  // ASH_COMMON_SYSTEM_BRIGHTNESS_CONTROL_DELEGATE_H_
+#endif  // ASH_SYSTEM_BRIGHTNESS_CONTROL_DELEGATE_H_