downloads: clicking "remove" on chrome://downloads should also hide shelf item.

chrome/browser/ui/views/download/download_shelf_view.cc

 // 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.
 
 #include "chrome/browser/ui/views/download/download_shelf_view.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/logging.h"
@@ skipping 109 matching lines @@
   // the order users would expect.
   AddChildViewAt(view, 0);
   if (download_views_.size() > kMaxDownloadViews)
     RemoveDownloadView(*download_views_.begin());
 
   new_item_animation_->Reset();
   new_item_animation_->Show();
 }
 
 void DownloadShelfView::DoAddDownload(DownloadItem* download) {
-  DownloadItemView* view = new DownloadItemView(download, this);
-  AddDownloadView(view);
+  AddDownloadView(new DownloadItemView(download, this));
 }
 
 void DownloadShelfView::MouseMovedOutOfHost() {
   Close(AUTOMATIC);
 }
 
 void DownloadShelfView::RemoveDownloadView(View* view) {
   DCHECK(view);
   std::vector<DownloadItemView*>::iterator i =
       find(download_views_.begin(), download_views_.end(), view);
@@ skipping 278 matching lines @@
   SetVisible(false);
 }
 
 bool DownloadShelfView::CanAutoClose() {
   for (size_t i = 0; i < download_views_.size(); ++i) {
     if (!download_views_[i]->download()->GetOpened())
       return false;
   }
   return true;
 }