gtk: Fold bookmark_drag.* into bookmark_drag_drop_gtk.cc

chrome/browser/ui/gtk/download/download_item_drag.h

 // Copyright 2013 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_GTK_DOWNLOAD_DOWNLOAD_ITEM_DRAG_H_
 #define CHROME_BROWSER_UI_GTK_DOWNLOAD_DOWNLOAD_ITEM_DRAG_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/gtk/custom_drag.h"
 
 namespace content {
 class DownloadItem;
 }
 
 // Encapsulates functionality for drags of download items.
 class DownloadItemDrag : public CustomDrag {
  public:
+  DownloadItemDrag(const content::DownloadItem* item, gfx::Image* icon);
+
   // Sets |widget| as a source for drags pertaining to |item|. No
   // DownloadItemDrag object is created.
   // It is safe to call this multiple times with different values of |icon|.
   static void SetSource(GtkWidget* widget,
                         const content::DownloadItem* item,
                         gfx::Image* icon);
 
-  // Creates a new DownloadItemDrag, the lifetime of which is tied to the
-  // system drag.
-  static void BeginDrag(const content::DownloadItem* item, gfx::Image* icon);
-
  private:
   class DragData;
 
-  DownloadItemDrag(const content::DownloadItem* item, gfx::Image* icon);
   virtual ~DownloadItemDrag();
 
   virtual void OnDragDataGet(GtkWidget* widget,
                              GdkDragContext* context,
                              GtkSelectionData* selection_data,
                              guint target_type,
                              guint time) OVERRIDE;
 
   scoped_ptr<DragData> drag_data_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadItemDrag);
 };
 
 
 #endif  // CHROME_BROWSER_UI_GTK_DOWNLOAD_DOWNLOAD_ITEM_DRAG_H_