Move WindowResizer to CoreWM.

ash/wm/drag_window_resizer.h

Index: ash/wm/drag_window_resizer.h
===================================================================
--- ash/wm/drag_window_resizer.h	(revision 173169)
+++ ash/wm/drag_window_resizer.h	(working copy)
@@ -5,31 +5,32 @@
 #ifndef ASH_WM_DRAG_WINDOW_RESIZER_H_
 #define ASH_WM_DRAG_WINDOW_RESIZER_H_
 
-#include "ash/wm/window_resizer.h"
+#include "ash/ash_export.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "ui/gfx/point.h"
+#include "ui/views/corewm/window_resizer.h"
 
 namespace ash {
 namespace internal {
 
 class DragWindowController;
 
-// DragWindowResizer is a decorator of WindowResizer and adds the ability to
-// drag windows across displays.
-class ASH_EXPORT DragWindowResizer : public WindowResizer {
+// DragWindowResizer is a decorator of views::corewm::WindowResizer and adds
+// the ability to drag windows across displays.
+class ASH_EXPORT DragWindowResizer : public views::corewm::WindowResizer {
  public:
   virtual ~DragWindowResizer();
 
   // Creates a new DragWindowResizer. The caller takes ownership of the
   // returned object. The ownership of |window_resizer| is taken by the
   // returned object. Returns NULL if not resizable.
-  static DragWindowResizer* Create(WindowResizer* window_resizer,
+  static DragWindowResizer* Create(views::corewm::WindowResizer* window_resizer,
                                    aura::Window* window,
                                    const gfx::Point& location,
                                    int window_component);
 
-  // WindowResizer overides:
+  // views::corewm::WindowResizer overides:
   virtual void Drag(const gfx::Point& location, int event_flags) OVERRIDE;
   virtual void CompleteDrag(int event_flags) OVERRIDE;
   virtual void RevertDrag() OVERRIDE;
@@ -55,7 +56,7 @@
   // Returns true if we should allow the mouse pointer to warp.
   bool ShouldAllowMouseWarp();
 
-  scoped_ptr<WindowResizer> window_resizer_;
+  scoped_ptr<views::corewm::WindowResizer> window_resizer_;
 
   // Shows a semi-transparent image of the window being dragged.
   scoped_ptr<DragWindowController> drag_window_controller_;