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

ash/common/keyboard/keyboard_ui_observer.h

Index: ash/common/keyboard/keyboard_ui_observer.h
diff --git a/ash/keyboard/keyboard_ui_observer.h b/ash/common/keyboard/keyboard_ui_observer.h
similarity index 72%
rename from ash/keyboard/keyboard_ui_observer.h
rename to ash/common/keyboard/keyboard_ui_observer.h
index a12305eadc6cdd82f7b7ecc9e937422d19ed043f..a0dc24153a93a83766e73858b464bb32d1c34ced 100644
--- a/ash/keyboard/keyboard_ui_observer.h
+++ b/ash/common/keyboard/keyboard_ui_observer.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_KEYBOARD_KEYBOARD_UI_OBSERVER_H_
-#define ASH_KEYBOARD_KEYBOARD_UI_OBSERVER_H_
+#ifndef ASH_COMMON_KEYBOARD_KEYBOARD_UI_OBSERVER_H_
+#define ASH_COMMON_KEYBOARD_KEYBOARD_UI_OBSERVER_H_
 
 #include "ash/ash_export.h"
 #include "base/macros.h"
@@ -20,4 +20,4 @@ class ASH_EXPORT KeyboardUIObserver {
 
 }  // namespace ash
 
-#endif  // ASH_KEYBOARD_KEYBOARD_UI_OBSERVER_H_
+#endif  // ASH_COMMON_KEYBOARD_KEYBOARD_UI_OBSERVER_H_