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

ash/common/system/tray/tray_event_filter.cc

Index: ash/common/system/tray/tray_event_filter.cc
diff --git a/ash/system/tray/tray_event_filter.cc b/ash/common/system/tray/tray_event_filter.cc
similarity index 95%
rename from ash/system/tray/tray_event_filter.cc
rename to ash/common/system/tray/tray_event_filter.cc
index f8e4ef07c7837cd05118363383aa25e9bfef71f5..668d53856175587eb4215546e3d16b31520db473 100644
--- a/ash/system/tray/tray_event_filter.cc
+++ b/ash/common/system/tray/tray_event_filter.cc
@@ -2,14 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ash/system/tray/tray_event_filter.h"
+#include "ash/common/system/tray/tray_event_filter.h"
 
+#include "ash/common/system/tray/tray_background_view.h"
+#include "ash/common/system/tray/tray_bubble_wrapper.h"
 #include "ash/common/wm/container_finder.h"
 #include "ash/common/wm_shell.h"
 #include "ash/common/wm_window.h"
 #include "ash/public/cpp/shell_window_ids.h"
-#include "ash/system/tray/tray_background_view.h"
-#include "ash/system/tray/tray_bubble_wrapper.h"
 #include "ui/views/widget/widget.h"
 
 namespace ash {