Fix IndexedDB race condition during shutdown.

chrome/browser/io_thread.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 "chrome/browser/io_thread.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/debug/leak_tracker.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
 #include "base/stl_util-inl.h"
 #include "base/string_number_conversions.h"
 #include "base/string_split.h"
 #include "base/string_util.h"
 #include "base/threading/thread_restrictions.h"
 #include "chrome/browser/browser_thread.h"
 #include "chrome/browser/gpu_process_host.h"
+#include "chrome/browser/in_process_webkit/indexed_db_key_utility_client.h"
 #include "chrome/browser/net/chrome_net_log.h"
 #include "chrome/browser/net/chrome_url_request_context.h"
 #include "chrome/browser/net/connect_interceptor.h"
 #include "chrome/browser/net/passive_log_collector.h"
 #include "chrome/browser/net/predictor_api.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/net/raw_host_resolver_proc.h"
 #include "chrome/common/net/url_fetcher.h"
 #include "chrome/common/pref_names.h"
@@ skipping 326 matching lines @@
   // Step 1: Kill all things that might be holding onto
   // net::URLRequest/net::URLRequestContexts.
 
 #if defined(USE_NSS)
   net::ShutdownOCSP();
 #endif  // defined(USE_NSS)
 
   // Destroy all URLRequests started by URLFetchers.
   URLFetcher::CancelAll();
 
+  IndexedDBKeyUtilityClient::Shutdown();
+
   // If any child processes are still running, terminate them and
   // and delete the BrowserChildProcessHost instances to release whatever
   // IO thread only resources they are referencing.
   BrowserChildProcessHost::TerminateAll();
 
   std::list<ChromeURLRequestContextGetter*> url_request_context_getters;
   url_request_context_getters.swap(url_request_context_getters_);
   for (std::list<ChromeURLRequestContextGetter*>::iterator it =
        url_request_context_getters.begin();
        it != url_request_context_getters.end(); ++it) {
@@ skipping 130 matching lines @@
     net::HostCache* host_cache =
         globals_->host_resolver.get()->GetAsHostResolverImpl()->cache();
     if (host_cache)
       host_cache->clear();
   }
   // Clear all of the passively logged data.
   // TODO(eroman): this is a bit heavy handed, really all we need to do is
   //               clear the data pertaining to off the record context.
   net_log_->ClearAllPassivelyCapturedEvents();
 }