chromeos: Move files in //ash/common to //ash, part 2

ash/wm/switchable_windows.cc

Index: ash/wm/switchable_windows.cc
diff --git a/ash/common/wm/switchable_windows.cc b/ash/wm/switchable_windows.cc
similarity index 92%
rename from ash/common/wm/switchable_windows.cc
rename to ash/wm/switchable_windows.cc
index efa1a9a83ad9cceda77ec3d00f5a1bb502f3c8fb..6b9e1b008b31ccd96afce296c42d6a466089724b 100644
--- a/ash/common/wm/switchable_windows.cc
+++ b/ash/wm/switchable_windows.cc
@@ -2,10 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ash/common/wm/switchable_windows.h"
+#include "ash/wm/switchable_windows.h"
 
-#include "ash/common/wm_window.h"
 #include "ash/public/cpp/shell_window_ids.h"
+#include "ash/wm_window.h"
 
 namespace ash {
 namespace wm {