Fix IndexedDB race condition during shutdown.

chrome/browser/io_thread.cc

Index: chrome/browser/io_thread.cc
diff --git a/chrome/browser/io_thread.cc b/chrome/browser/io_thread.cc
index c468a91b393b7345d05510398a591a2218a4f6e7..81417197da656000a69cb2079e76256fab4859dd 100644
--- a/chrome/browser/io_thread.cc
+++ b/chrome/browser/io_thread.cc
@@ -17,6 +17,7 @@
 #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"
@@ -363,6 +364,8 @@ void IOThread::CleanUp() {
   // 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.