Move wm/core to wm namespace.

ash/wm/drag_window_resizer.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/wm/drag_window_resizer.h"
 
 #include "ash/display/mouse_cursor_event_filter.h"
 #include "ash/screen_util.h"
 #include "ash/shell.h"
 #include "ash/wm/coordinate_conversion.h"
@@ skipping 188 matching lines @@
     drag_window_controller_->SetOpacity(phantom_opacity);
     GetTarget()->layer()->SetOpacity(window_opacity);
   } else {
     drag_window_controller_.reset();
     GetTarget()->layer()->SetOpacity(1.0f);
   }
 }
 
 bool DragWindowResizer::ShouldAllowMouseWarp() {
   return (details().window_component == HTCAPTION) &&
-      !views::corewm::GetTransientParent(GetTarget()) &&
+      !::wm::GetTransientParent(GetTarget()) &&
       (GetTarget()->type() == ui::wm::WINDOW_TYPE_NORMAL ||
        GetTarget()->type() == ui::wm::WINDOW_TYPE_PANEL);
 }
 
 }  // namespace internal
 }  // namespace ash