Get drag and drop working on Win Ash.

ui/base/dragdrop/os_exchange_data_provider_aura.h

Index: ui/base/dragdrop/os_exchange_data_provider_aura.h
===================================================================
--- ui/base/dragdrop/os_exchange_data_provider_aura.h	(revision 175409)
+++ ui/base/dragdrop/os_exchange_data_provider_aura.h	(working copy)
@@ -57,17 +57,11 @@
   virtual void SetHtml(const string16& html, const GURL& base_url) OVERRIDE;
   virtual bool GetHtml(string16* html, GURL* base_url) const OVERRIDE;
   virtual bool HasHtml() const OVERRIDE;
+  virtual void SetDragImage(const gfx::ImageSkia& image,
+                            const gfx::Vector2d& cursor_offset) OVERRIDE;
+  virtual const gfx::ImageSkia& GetDragImage() const OVERRIDE;
+  virtual const gfx::Vector2d& GetDragImageOffset() const OVERRIDE;
 
-  void set_drag_image(const gfx::ImageSkia& drag_image) {
-      drag_image_ = drag_image;
-  }
-
-  const gfx::ImageSkia& drag_image() const { return drag_image_; }
-  void set_drag_image_offset(const gfx::Vector2d& drag_image_offset) {
-    drag_image_offset_ = drag_image_offset;
-  }
-  const gfx::Vector2d& drag_image_offset() const { return drag_image_offset_; }
-
  private:
   typedef std::map<OSExchangeData::CustomFormat, Pickle>  PickleData;