Fix an Autofill crash caused by accessing the g_browser_process on the DB thread.

chrome/browser/webdata/web_data_service.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/webdata/web_data_service.h"
 
 #include "base/bind.h"
 #include "base/message_loop.h"
 #include "base/stl_util.h"
 #include "base/threading/thread.h"
+#include "chrome/browser/autofill/autofill_country.h"
 #include "chrome/browser/autofill/autofill_profile.h"
 #include "chrome/browser/autofill/credit_card.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search_engines/template_url.h"
 #include "chrome/browser/ui/profile_error_dialog.h"
 #include "chrome/browser/webdata/autofill_change.h"
 #include "chrome/browser/webdata/autofill_entry.h"
 #include "chrome/browser/webdata/autofill_profile_syncable_service.h"
 #include "chrome/browser/webdata/autofill_table.h"
 #include "chrome/browser/webdata/keyword_table.h"
@@ skipping 512 matching lines @@
 
 WebDataService::~WebDataService() {
   if (is_running_ && db_) {
     DLOG_ASSERT("WebDataService dtor called without Shutdown");
   }
 }
 
 bool WebDataService::InitWithPath(const FilePath& path) {
   path_ = path;
   is_running_ = true;
+
+  // TODO(isherman): For now, to avoid a data race on shutdown
+  // [ http://crbug.com/100745 ], call |AutofillCountry::ApplicationLocale()| to
+  // cache the application locale before we try to access it on the DB thread.
+  // This should be safe to remove once [ http://crbug.com/100845 ] is fixed.
+  AutofillCountry::ApplicationLocale();
+
   ScheduleTask(Bind(&WebDataService::InitializeDatabaseIfNecessary, this));
   ScheduleTask(Bind(&WebDataService::InitializeSyncableServices, this));
   return true;
 }
 
 void WebDataService::RequestCompleted(Handle h) {
   pending_lock_.Acquire();
   RequestMap::iterator i = pending_requests_.find(h);
   if (i == pending_requests_.end()) {
     NOTREACHED() << "Request completed called for an unknown request";
@@ skipping 878 matching lines @@
 }
 
 const WDTypedResult* WebDataService::WebDataRequest::GetResult() const {
   return result_;
 }
 
 void WebDataService::WebDataRequest::RequestComplete() {
   message_loop_->PostTask(FROM_HERE, Bind(&WebDataService::RequestCompleted,
                                           service_.get(), handle_));
 }