Download shelf autohides on showing in shell, just same as regular open

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 <stddef.h>
 
 #include <algorithm>
 #include <vector>
@@ skipping 315 matching lines @@
 
 void DownloadItemView::OnDownloadOpened(DownloadItem* download) {
   disabled_while_opening_ = true;
   SetEnabled(false);
   base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
       FROM_HERE,
       base::Bind(&DownloadItemView::Reenable, weak_ptr_factory_.GetWeakPtr()),
       base::TimeDelta::FromMilliseconds(kDisabledOnOpenDuration));
 
   // Notify our parent.
-  shelf_->OpenedDownload();
+  shelf_->OnDownloadOpened();
+}
+
+void DownloadItemView::OnDownloadShown(DownloadItem* download) {
+  // Notify our parent.
+  shelf_->OnDownloadShown();
 }
 
 // View overrides
 
 // In dangerous mode we have to layout our buttons.
 void DownloadItemView::Layout() {
   UpdateColorsFromTheme();
 
   if (IsShowingWarningDialog()) {
     gfx::Point child_origin(
@@ skipping 761 matching lines @@
     SchedulePaint();
 }
 
 SkColor DownloadItemView::GetTextColor() const {
   return GetTextColorForThemeProvider(GetThemeProvider());
 }
 
 SkColor DownloadItemView::GetDimmedTextColor() const {
   return SkColorSetA(GetTextColor(), 0xC7);
 }