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

content/browser/download/download_item_impl.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.
 
 // File method ordering: Methods in this file are in the same order as
 // in download_item_impl.h, with the following exception: The public
 // interface Start is placed in chronological order with the other
 // (private) routines that together define a DownloadItem's state
 // transitions as the download progresses.  See "Download progression
 // cascade" later in this file.
@@ skipping 452 matching lines @@
   delegate_->CheckForFileRemoval(this);
   RecordOpen(GetEndTime(), !GetOpened());
   opened_ = true;
   FOR_EACH_OBSERVER(Observer, observers_, OnDownloadOpened(this));
   delegate_->OpenDownload(this);
 }
 
 void DownloadItemImpl::ShowDownloadInShell() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
+  if (!CanShowInFolder())
+    return;
+
+  delegate_->CheckForFileRemoval(this);
+  FOR_EACH_OBSERVER(Observer, observers_, OnDownloadShown(this));
   delegate_->ShowDownloadInShell(this);
 }
 
 uint32 DownloadItemImpl::GetId() const {
   return download_id_;
 }
 
 DownloadItem::DownloadState DownloadItemImpl::GetState() const {
   return InternalToExternalState(state_);
 }
@@ skipping 301 matching lines @@
 }
 
 void DownloadItemImpl::SetOpenWhenComplete(bool open) {
   open_when_complete_ = open;
 }
 
 void DownloadItemImpl::SetIsTemporary(bool temporary) {
   is_temporary_ = temporary;
 }
 
-void DownloadItemImpl::SetOpened(bool opened) {
-  opened_ = opened;
-}
-
 void DownloadItemImpl::SetDisplayName(const base::FilePath& name) {
   display_name_ = name;
 }
 
 std::string DownloadItemImpl::DebugString(bool verbose) const {
   std::string description =
       base::StringPrintf("{ id = %d"
                          " state = %s",
                          download_id_,
                          DebugDownloadStateString(state_));
@@ skipping 988 matching lines @@
     case RESUME_MODE_USER_CONTINUE:
       return "USER_CONTINUE";
     case RESUME_MODE_USER_RESTART:
       return "USER_RESTART";
   }
   NOTREACHED() << "Unknown resume mode " << mode;
   return "unknown";
 }
 
 }  // namespace content