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

ash/system/tiles/tray_tiles.cc

Index: ash/system/tiles/tray_tiles.cc
diff --git a/ash/common/system/tiles/tray_tiles.cc b/ash/system/tiles/tray_tiles.cc
similarity index 91%
rename from ash/common/system/tiles/tray_tiles.cc
rename to ash/system/tiles/tray_tiles.cc
index 227a4c9fb710b3fe6bf265139e2f1219af630426..a0d5e56834ad795d1ff7d6f8c8938c9eed4ba841 100644
--- a/ash/common/system/tiles/tray_tiles.cc
+++ b/ash/system/tiles/tray_tiles.cc
@@ -2,12 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ash/common/system/tiles/tray_tiles.h"
+#include "ash/system/tiles/tray_tiles.h"
 
 #include "ash/common/metrics/user_metrics_action.h"
 #include "ash/common/session/session_state_delegate.h"
-#include "ash/common/system/tiles/tiles_default_view.h"
 #include "ash/common/wm_shell.h"
+#include "ash/system/tiles/tiles_default_view.h"
 
 namespace ash {