Implement drag and drop of downloads for the Mac downloads page

chrome/browser/views/download_item_view.cc

 // Copyright (c) 2006-2008 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/views/download_item_view.h"
 
 #include <vector>
 
 #include "app/gfx/canvas.h"
 #include "app/gfx/text_elider.h"
@@ skipping 854 matching lines @@
   if (!starting_drag_) {
     starting_drag_ = true;
     drag_start_point_ = event.location();
   }
   if (dragging_) {
     if (download_->state() == DownloadItem::COMPLETE) {
       IconManager* im = g_browser_process->icon_manager();
       SkBitmap* icon = im->LookupIcon(download_->full_path(),
                                       IconLoader::SMALL);
       if (icon)
-        download_util::DragDownload(download_, icon);
+        download_util::DragDownload(download_, icon, NULL);
     }
   } else if (ExceededDragThreshold(
                  event.location().x() - drag_start_point_.x(),
                  event.location().y() - drag_start_point_.y())) {
     dragging_ = true;
   }
   return true;
 }
 
 void DownloadItemView::AnimationProgressed(const Animation* animation) {
@@ skipping 98 matching lines @@
 void DownloadItemView::Reenable() {
   disabled_while_opening_ = false;
   SetEnabled(true);  // Triggers a repaint.
 }
 
 bool DownloadItemView::InDropDownButtonXCoordinateRange(int x) {
   if (x > drop_down_x_left_ && x < drop_down_x_right_)
     return true;
   return false;
 }