Cleanup: Remove some redundant container clear() calls.

content/browser/download/download_manager_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.
 
 #include "content/browser/download/download_manager_impl.h"
 
 #include <iterator>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 327 matching lines @@
   // dangerous downloads which will remain in history if they aren't explicitly
   // accepted or discarded. Canceling will remove the intermediate download
   // file.
   for (DownloadMap::iterator it = downloads_.begin(); it != downloads_.end();
        ++it) {
     DownloadItemImpl* download = it->second;
     if (download->GetState() == DownloadItem::IN_PROGRESS)
       download->Cancel(false);
   }
   STLDeleteValues(&downloads_);
-  downloads_.clear();
 
   // We'll have nothing more to report to the observers after this point.
   observers_.Clear();
 
   if (delegate_)
     delegate_->Shutdown();
   delegate_ = NULL;
 }
 
 void DownloadManagerImpl::StartDownload(
@@ skipping 358 matching lines @@
   if (delegate_)
     delegate_->OpenDownload(download);
 }
 
 void DownloadManagerImpl::ShowDownloadInShell(DownloadItemImpl* download) {
   if (delegate_)
     delegate_->ShowDownloadInShell(download);
 }
 
 }  // namespace content