Moves handful of files to ash/wm/common

ash/wm/mru_window_tracker_unittest.cc

 // Copyright 2013 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/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/test_shelf_delegate.h"
+#include "ash/wm/common/window_state.h"
 #include "ash/wm/mru_window_tracker.h"
-#include "ash/wm/window_state.h"
 #include "ash/wm/window_state_aura.h"
 #include "ash/wm/window_util.h"
 #include "base/compiler_specific.h"
 #include "ui/aura/test/test_window_delegate.h"
 #include "ui/aura/window.h"
 #include "ui/base/hit_test.h"
 #include "ui/views/widget/widget.h"
 
 namespace ash {
 
@@ skipping 77 matching lines @@
   drag_container->AddChild(w1.get());
   EXPECT_TRUE(wm::GetWindowState(w1.get())->is_dragged());
 
   // The dragged window should only be in the list once.
   MruWindowTracker::WindowList window_list =
       mru_window_tracker()->BuildWindowListIgnoreModal();
   EXPECT_EQ(1, std::count(window_list.begin(), window_list.end(), w1.get()));
 }
 
 }  // namespace ash