Support custom drag-and-drop of bookmarks in Aura

chrome/browser/ui/views/tab_contents/native_tab_contents_view_aura.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_AURA_H_
 #define CHROME_BROWSER_UI_VIEWS_TAB_CONTENTS_NATIVE_TAB_CONTENTS_VIEW_AURA_H_
 #pragma once
 
 #include "chrome/browser/ui/views/tab_contents/native_tab_contents_view.h"
 #include "ui/base/events.h"
 #include "ui/views/widget/native_widget_aura.h"
 
 namespace aura {
 class DropTargetEvent;
 }
 
 namespace content {
 class WebContents;
+class WebDragDestDelegate;
 }
 
 namespace ui {
 class OSExchangeDataProviderAura;
 }
 
 class NativeTabContentsViewAura : public views::NativeWidgetAura,
                                   public NativeTabContentsView {
  public:
   explicit NativeTabContentsViewAura(
@@ skipping 28 matching lines @@
   virtual int OnPerformDrop(const aura::DropTargetEvent& event) OVERRIDE;
 
   // Informs the renderer that the drag operation it initiated has ended and
   // |ops| drag operations were applied.
   void EndDrag(WebKit::WebDragOperationsMask ops);
 
   internal::NativeTabContentsViewDelegate* delegate_;
 
   WebKit::WebDragOperationsMask current_drag_op_;
 
+  content::WebDragDestDelegate* drag_dest_delegate_;
+
   DISALLOW_COPY_AND_ASSIGN(NativeTabContentsViewAura);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TAB_CONTENTS_NATIVE_TAB_CONTENTS_VIEW_AURA_H_