RefCounted types should not have public destructors, chrome/browser/ part 6

chrome/browser/download/download_browsertest.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 <sstream>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
@@ skipping 75 matching lines @@
     SetDownloadManager(
         DownloadServiceFactory::GetForProfile(profile)->GetDownloadManager());
   }
 
   virtual void ChooseDownloadPath(WebContents* web_contents,
                                   const FilePath& suggested_path,
                                   int32 download_id) OVERRIDE {
     if (download_manager_)
       download_manager_->FileSelected(suggested_path, download_id);
   }
+
+ protected:
+  virtual ~PickSuggestedFileDelegate() {}
 };
 
 // Get History Information.
 class DownloadsHistoryDataCollector {
  public:
   DownloadsHistoryDataCollector(int64 download_db_handle,
                                 DownloadManager* manager)
       : result_valid_(false),
         download_db_handle_(download_db_handle) {
     HistoryService* hs =
@@ skipping 2389 matching lines @@
   downloads.clear();
   GetDownloads(browser(), &downloads);
   EXPECT_EQ(0u, downloads.size());
 
   if (creation_observer->succeeded()) {
     // Wait until the download is done.  We don't care how it's finished.
     backup_observer.WaitForFinished();
   }
   DownloadManagerForBrowser(browser())->RemoveAllDownloads();
 }