Revert "chromeos: Move files in //ash/common to //ash, part 3"

ash/common/key_event_watcher.h

Index: ash/common/key_event_watcher.h
diff --git a/ash/key_event_watcher.h b/ash/common/key_event_watcher.h
similarity index 91%
rename from ash/key_event_watcher.h
rename to ash/common/key_event_watcher.h
index 5c23a740df1ab3ba33c22b94c60055eef47b3471..80b649ff8fed31bf331e6b2f500491438d09262f 100644
--- a/ash/key_event_watcher.h
+++ b/ash/common/key_event_watcher.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_KEY_EVENT_WATCHER_H_
-#define ASH_KEY_EVENT_WATCHER_H_
+#ifndef ASH_COMMON_KEY_EVENT_WATCHER_H_
+#define ASH_COMMON_KEY_EVENT_WATCHER_H_
 
 #include <map>
 
@@ -46,4 +46,4 @@ class ASH_EXPORT KeyEventWatcher {
 
 }  // namespace ash
 
-#endif  // ASH_KEY_EVENT_WATCHER_H_
+#endif  // ASH_COMMON_KEY_EVENT_WATCHER_H_