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

chrome/browser/ui/views/download/download_item_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_item_view.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 256 matching lines @@
     shelf_->SchedulePaint();
 }
 
 // DownloadObserver interface.
 
 // Update the progress graphic on the icon and our text status label
 // to reflect our current bytes downloaded, time remaining.
 void DownloadItemView::OnDownloadUpdated(DownloadItem* download_item) {
   DCHECK_EQ(download(), download_item);
 
+  if (!model_.ShouldShowInShelf()) {
+    shelf_->RemoveDownloadView(this);  // This will delete us!
+    return;
+  }
+
   if (IsShowingWarningDialog() && !model_.IsDangerous()) {
     // We have been approved.
     ClearWarningDialog();
   } else if (!IsShowingWarningDialog() && model_.IsDangerous()) {
     ShowWarningDialog();
     // Force the shelf to layout again as our size has changed.
     shelf_->Layout();
     SchedulePaint();
   } else {
     base::string16 status_text = model_.GetStatusText();
@@ skipping 1105 matching lines @@
 void DownloadItemView::AnimateStateTransition(State from, State to,
                                               gfx::SlideAnimation* animation) {
   if (from == NORMAL && to == HOT) {
     animation->Show();
   } else if (from == HOT && to == NORMAL) {
     animation->Hide();
   } else if (from != to) {
     animation->Reset((to == HOT) ? 1.0 : 0.0);
   }
 }