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

ash/system/audio/tray_audio_delegate_chromeos.h

Index: ash/system/audio/tray_audio_delegate_chromeos.h
diff --git a/ash/common/system/chromeos/audio/tray_audio_delegate_chromeos.h b/ash/system/audio/tray_audio_delegate_chromeos.h
similarity index 77%
rename from ash/common/system/chromeos/audio/tray_audio_delegate_chromeos.h
rename to ash/system/audio/tray_audio_delegate_chromeos.h
index df82e3b7636038e7f39fb8c420d58e010ea1fda4..a3fc065e16cadcd93fdd1ae4bc475c78542798bc 100644
--- a/ash/common/system/chromeos/audio/tray_audio_delegate_chromeos.h
+++ b/ash/system/audio/tray_audio_delegate_chromeos.h
@@ -2,11 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_COMMON_SYSTEM_CHROMEOS_AUDIO_TRAY_AUDIO_DELEGATE_CHROMEOS_H_
-#define ASH_COMMON_SYSTEM_CHROMEOS_AUDIO_TRAY_AUDIO_DELEGATE_CHROMEOS_H_
+#ifndef ASH_SYSTEM_AUDIO_TRAY_AUDIO_DELEGATE_CHROMEOS_H_
+#define ASH_SYSTEM_AUDIO_TRAY_AUDIO_DELEGATE_CHROMEOS_H_
 
 #include "ash/ash_export.h"
-#include "ash/common/system/chromeos/audio/tray_audio_delegate.h"
+#include "ash/system/audio/tray_audio_delegate.h"
 
 namespace ash {
 namespace system {
@@ -32,4 +32,4 @@ class ASH_EXPORT TrayAudioDelegateChromeOs : public TrayAudioDelegate {
 }  // namespace system
 }  // namespace ash
 
-#endif  // ASH_COMMON_SYSTEM_CHROMEOS_AUDIO_TRAY_AUDIO_DELEGATE_CHROMEOS_H_
+#endif  // ASH_SYSTEM_AUDIO_TRAY_AUDIO_DELEGATE_CHROMEOS_H_