Move DragDownload() out of download_util.h

chrome/browser/download/drag_download_item_gtk.cc

Index: chrome/browser/download/drag_download_item_gtk.cc
diff --git a/chrome/browser/download/drag_download_item_gtk.cc b/chrome/browser/download/drag_download_item_gtk.cc
new file mode 100644
index 0000000000000000000000000000000000000000..10bb338d43cd271eb1bb61abbf7822ed612d3a54
--- /dev/null
+++ b/chrome/browser/download/drag_download_item_gtk.cc
@@ -0,0 +1,13 @@
+// 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.
+
+#include "chrome/browser/download/drag_download_item.h"
+
+#include "chrome/browser/ui/gtk/custom_drag.h"
+
+void DragDownloadItem(const content::DownloadItem* download,
+                      gfx::Image* icon,
+                      gfx::NativeView view) {
+  DownloadItemDrag::BeginDrag(download, icon);
+}