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

ash/system/chromeos/screen_layout_observer_unittest.cc

Index: ash/system/chromeos/screen_layout_observer_unittest.cc
diff --git a/ash/system/screen_layout_observer_unittest.cc b/ash/system/chromeos/screen_layout_observer_unittest.cc
similarity index 99%
rename from ash/system/screen_layout_observer_unittest.cc
rename to ash/system/chromeos/screen_layout_observer_unittest.cc
index 726b6925868f6c568cf38b78136e1f360dcfbb30..193b254cf5e10d2fffd00509945dab3cb06b9a12 100644
--- a/ash/system/screen_layout_observer_unittest.cc
+++ b/ash/system/chromeos/screen_layout_observer_unittest.cc
@@ -2,13 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ash/system/screen_layout_observer.h"
+#include "ash/system/chromeos/screen_layout_observer.h"
 
+#include "ash/common/system/chromeos/devicetype_utils.h"
+#include "ash/common/system/tray/system_tray.h"
 #include "ash/common/test/test_system_tray_delegate.h"
 #include "ash/shell.h"
 #include "ash/strings/grit/ash_strings.h"
-#include "ash/system/devicetype_utils.h"
-#include "ash/system/tray/system_tray.h"
 #include "ash/test/ash_test_base.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_util.h"