Get rid of chrome dependencies from tab_contents_drag_win.cc. After this I'll move it to content\br…

content/browser/tab_contents/web_drag_dest_delegate.h

 // Copyright (c) 2011 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 CONTENT_BROWSER_TAB_CONTENTS_WEB_DRAG_DEST_DELEGATE_H_
 #define CONTENT_BROWSER_TAB_CONTENTS_WEB_DRAG_DEST_DELEGATE_H_
 #pragma once
 
 #if defined(TOOLKIT_USES_GTK)
 #include <gtk/gtk.h>
 #endif  // TOOLKIT_USES_GTK
 
 #include "base/string16.h"
 
 #if defined(OS_WIN)
 #include "ui/base/dragdrop/drop_target.h"
 #endif
 
 class GURL;
+struct WebDropData;
+
+namespace ui {
+class OSExchangeData;
+}
 
 namespace content {
 
 class WebContents;
 
 // An optional delegate that listens for drags of bookmark data.
 class WebDragDestDelegate {
  public:
   // Announces that a drag has started. It's valid that a drag starts, along
   // with over/enter/leave/drop notifications without receiving any bookmark
@@ skipping 16 matching lines @@
 
 #if defined(TOOLKIT_USES_GTK)
   // Returns the bookmark atom type. GTK and Views return different values here.
   virtual GdkAtom GetBookmarkTargetAtom() const = 0;
 
   // Called when WebDragDestkGtk detects that there's bookmark data in a
   // drag. Not every drag will trigger these.
   virtual void OnReceiveDataFromGtk(GtkSelectionData* data) = 0;
   virtual void OnReceiveProcessedData(const GURL& url,
                                       const string16& title) = 0;
+#elif defined(OS_WIN)
+  // Allows the delegate to set data on the drag. If it doesn't want to set
+  // data, it should return false.
+  virtual bool AddDragData(const WebDropData& drop_data,
+                           ui::OSExchangeData* data) = 0;
 #endif  // TOOLKIT_USES_GTK
 
   virtual ~WebDragDestDelegate() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_TAB_CONTENTS_WEB_DRAG_DEST_DELEGATE_H_