Abstract content::BrowserThread usage out of AutofillWebDataBackendImpl.

components/autofill/core/browser/webdata/autofill_webdata_service.cc

 // Copyright 2013 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 "components/autofill/core/browser/webdata/autofill_webdata_service.h"
 
+#include "base/bind.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "components/autofill/core/browser/autofill_country.h"
 #include "components/autofill/core/browser/autofill_profile.h"
 #include "components/autofill/core/browser/credit_card.h"
 #include "components/autofill/core/browser/webdata/autofill_change.h"
 #include "components/autofill/core/browser/webdata/autofill_entry.h"
 #include "components/autofill/core/browser/webdata/autofill_table.h"
 #include "components/autofill/core/browser/webdata/autofill_webdata_backend_impl.h"
 #include "components/autofill/core/browser/webdata/autofill_webdata_service_observer.h"
 #include "components/autofill/core/common/form_field_data.h"
 #include "components/webdata/common/web_data_service_backend.h"
 #include "components/webdata/common/web_database_service.h"
+#include "content/public/browser/browser_thread.h"
 
 using base::Bind;
 using base::Time;
 using content::BrowserThread;
 
 namespace autofill {
 
 AutofillWebDataService::AutofillWebDataService(
     scoped_refptr<WebDatabaseService> wdbs,
     const ProfileErrorCallback& callback)
     : WebDataServiceBase(wdbs, callback,
           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI)),
       weak_ptr_factory_(this),
       autofill_backend_(NULL) {
 
   base::Closure on_changed_callback = Bind(
       &AutofillWebDataService::NotifyAutofillMultipleChangedOnUIThread,
       weak_ptr_factory_.GetWeakPtr());
 
   autofill_backend_ = new AutofillWebDataBackendImpl(
       wdbs_->GetBackend(),
+      BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
+      BrowserThread::GetMessageLoopProxyForThread(BrowserThread::DB),
       on_changed_callback);
 }
 
 AutofillWebDataService::AutofillWebDataService()
     : WebDataServiceBase(NULL, WebDataServiceBase::ProfileErrorCallback(),
           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI)),
       weak_ptr_factory_(this),
-      autofill_backend_(new AutofillWebDataBackendImpl(NULL, base::Closure())) {
+      autofill_backend_(new AutofillWebDataBackendImpl(NULL,
+          BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
+          BrowserThread::GetMessageLoopProxyForThread(BrowserThread::DB),
+          base::Closure())) {
 }
 
 void AutofillWebDataService::ShutdownOnUIThread() {
   weak_ptr_factory_.InvalidateWeakPtrs();
   BrowserThread::PostTask(BrowserThread::DB, FROM_HERE,
       Bind(&AutofillWebDataBackendImpl::ResetUserData,
            autofill_backend_));
   WebDataServiceBase::ShutdownOnUIThread();
 }
 
@@ skipping 149 matching lines @@
 }
 
 void AutofillWebDataService::NotifyAutofillMultipleChangedOnUIThread() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   FOR_EACH_OBSERVER(AutofillWebDataServiceObserverOnUIThread,
                     ui_observer_list_,
                     AutofillMultipleChanged());
 }
 
 }  // namespace autofill