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

ash/drag_drop/drag_drop_tracker_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/drag_drop/drag_drop_tracker.h"
 
 #include <memory>
 
+#include "ash/common/scoped_root_window_for_new_windows.h"
+#include "ash/common/wm_shell.h"
+#include "ash/common/wm_window.h"
 #include "ash/public/cpp/shell_window_ids.h"
-#include "ash/scoped_root_window_for_new_windows.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
-#include "ash/wm_shell.h"
-#include "ash/wm_window.h"
 #include "ui/aura/test/test_windows.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/events/event_utils.h"
 
 namespace ash {
 namespace test {
 
 class DragDropTrackerTest : public test::AshTestBase {
  public:
@@ skipping 151 matching lines @@
   std::unique_ptr<ui::LocatedEvent> converted11(
       ConvertEvent(window1.get(), original11));
   EXPECT_EQ(original11.type(), converted11->type());
   EXPECT_EQ("50,50", converted11->location().ToString());
   EXPECT_EQ("150,150", converted11->root_location().ToString());
   EXPECT_EQ(original11.flags(), converted11->flags());
 }
 
 }  // namespace test
 }  // namespace aura