Moves handful of files to ash/wm/common

ash/wm/window_positioner_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/wm/window_positioner.h"
 
 #include <string>
 
 #include "ash/shell.h"
 #include "ash/shell/toplevel_window.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/test_shell_delegate.h"
+#include "ash/wm/common/window_state.h"
 #include "ash/wm/window_positioner.h"
-#include "ash/wm/window_state.h"
 #include "ash/wm/window_state_aura.h"
 #include "base/strings/string_number_conversions.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/gfx/screen.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_delegate.h"
 
 namespace ash {
 
 typedef test::AshTestBase WindowPositionerTest;
@@ skipping 208 matching lines @@
   widget1->SetFullscreen(false);
   ASSERT_EQ("300x300", widget1->GetWindowBoundsInScreen().size().ToString());
 
   // Closing 2nd widget triggers the rearrange logic but the 1st
   // widget should stay in the current size.
   widget2->CloseNow();
   ASSERT_EQ("300x300", widget1->GetWindowBoundsInScreen().size().ToString());
 }
 
 }  // namespace ash