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

ash/system/tray/system_tray_delegate.h

Index: ash/system/tray/system_tray_delegate.h
diff --git a/ash/common/system/tray/system_tray_delegate.h b/ash/system/tray/system_tray_delegate.h
similarity index 97%
rename from ash/common/system/tray/system_tray_delegate.h
rename to ash/system/tray/system_tray_delegate.h
index eb99683ab4b4713264980bb505f39abcf2b8b2ee..509fc04923cf88dcad1dc045715ff07b492db0b4 100644
--- a/ash/common/system/tray/system_tray_delegate.h
+++ b/ash/system/tray/system_tray_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_TRAY_SYSTEM_TRAY_DELEGATE_H_
-#define ASH_COMMON_SYSTEM_TRAY_SYSTEM_TRAY_DELEGATE_H_
+#ifndef ASH_SYSTEM_TRAY_SYSTEM_TRAY_DELEGATE_H_
+#define ASH_SYSTEM_TRAY_SYSTEM_TRAY_DELEGATE_H_
 
 #include <memory>
 #include <string>
@@ -203,4 +203,4 @@ class ASH_EXPORT SystemTrayDelegate {
 
 }  // namespace ash
 
-#endif  // ASH_COMMON_SYSTEM_TRAY_SYSTEM_TRAY_DELEGATE_H_
+#endif  // ASH_SYSTEM_TRAY_SYSTEM_TRAY_DELEGATE_H_