Fix a leak in MalwareDetailsTest.HTTPCache

chrome/browser/safe_browsing/malware_details_unittest.cc

 // Copyright (c) 2011 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 <algorithm>
 
 #include "base/pickle.h"
 #include "base/time.h"
 #include "chrome/browser/history/history.h"
 #include "chrome/browser/history/history_backend.h"
@@ skipping 164 matching lines @@
   virtual void SetUp() {
     ChromeRenderViewHostTestHarness::SetUp();
     // The URLFetcher checks that the messageloop type is IO.
     ASSERT_TRUE(io_thread_.StartWithOptions(
         base::Thread::Options(MessageLoop::TYPE_IO, 0)));
 
     profile()->CreateHistoryService(true /* delete_file */, false /* no_db */);
   }
 
   virtual void TearDown() {
-    io_thread_.Stop();
     profile()->DestroyHistoryService();
     ChromeRenderViewHostTestHarness::TearDown();
+    io_thread_.Stop();
   }
 
   static bool ResourceLessThan(
       const ClientMalwareReportRequest::Resource* lhs,
       const ClientMalwareReportRequest::Resource* rhs) {
     return lhs->id() < rhs->id();
   }
 
   std::string WaitForSerializedReport(MalwareDetails* report) {
     BrowserThread::PostTask(
@@ skipping 480 matching lines @@
   pb_resource = expected.add_resources();
   pb_resource->set_id(2);
   pb_resource->set_parent_id(3);
   pb_resource->set_url(kSecondRedirectURL);
   pb_resource = expected.add_resources();
   pb_resource->set_id(3);
   pb_resource->set_url(kFirstRedirectURL);
 
   VerifyResults(actual, expected);
 }