Move the core drag&drop code for Windows to content\browser to match Mac/GTK. I've had to add tempo…

chrome/browser/ui/views/tab_contents/native_tab_contents_view_win.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_TAB_CONTENTS_NATIVE_TAB_CONTENTS_VIEW_WIN_H_
 #define CHROME_BROWSER_UI_VIEWS_TAB_CONTENTS_NATIVE_TAB_CONTENTS_VIEW_WIN_H_
 #pragma once
 
 #include "chrome/browser/ui/views/tab_contents/native_tab_contents_view.h"
 #include "ui/views/widget/native_widget_win.h"
 
-class WebDropTarget;
+class WebDragBookmarkHandlerWin;
+class WebDragDest;
 class TabContentsDragWin;
 
 namespace content {
 class RenderWidgetHostView;
 class WebContents;
 }
 
 class NativeTabContentsViewWin : public views::NativeWidgetWin,
                                  public NativeTabContentsView {
  public:
   explicit NativeTabContentsViewWin(
       internal::NativeTabContentsViewDelegate* delegate);
   virtual ~NativeTabContentsViewWin();
 
-  WebDropTarget* drop_target() const { return drop_target_.get(); }
+  WebDragDest* drag_dest() const { return drag_dest_.get(); }
 
   content::WebContents* GetWebContents() const;
 
   void EndDragging();
 
  private:
   // Overridden from NativeTabContentsView:
   virtual void InitNativeTabContentsView() OVERRIDE;
   virtual void Unparent() OVERRIDE;
   virtual content::RenderWidgetHostView* CreateRenderWidgetHostView(
@@ skipping 30 matching lines @@
   virtual LRESULT OnNCHitTest(const CPoint& point) OVERRIDE;
 
   // Backend for all scroll messages, the |message| parameter indicates which
   // one it is.
   void ScrollCommon(UINT message, int scroll_type, short position,
                     HWND scrollbar);
   bool ScrollZoom(int scroll_type);
 
   internal::NativeTabContentsViewDelegate* delegate_;
 
+  scoped_ptr<WebDragBookmarkHandlerWin> bookmark_handler_;
   // A drop target object that handles drags over this TabContents.
-  scoped_refptr<WebDropTarget> drop_target_;
+  scoped_refptr<WebDragDest> drag_dest_;
 
   // Used to handle the drag-and-drop.
   scoped_refptr<TabContentsDragWin> drag_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeTabContentsViewWin);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TAB_CONTENTS_NATIVE_TAB_CONTENTS_VIEW_WIN_H_