Remove all remaining traces of MessageLoopProxy.

chrome/browser/importer/external_process_importer_client.cc

Index: chrome/browser/importer/external_process_importer_client.cc
diff --git a/chrome/browser/importer/external_process_importer_client.cc b/chrome/browser/importer/external_process_importer_client.cc
index 7e0c4fd9ea5df4988db04c49cf19d3addaf84d90..61fce7ad5e94de43ff4ce6ba3ef72953198c079e 100644
--- a/chrome/browser/importer/external_process_importer_client.cc
+++ b/chrome/browser/importer/external_process_importer_client.cc
@@ -310,9 +310,10 @@ void ExternalProcessImporterClient::NotifyItemFinishedOnIOThread(
 
 void ExternalProcessImporterClient::StartProcessOnIOThread(
     BrowserThread::ID thread_id) {
-  utility_process_host_ = UtilityProcessHost::Create(
-      this, BrowserThread::GetMessageLoopProxyForThread(thread_id).get())
-      ->AsWeakPtr();
+  utility_process_host_ =
+      UtilityProcessHost::Create(
+          this, BrowserThread::GetTaskRunnerForThread(thread_id).get())
+          ->AsWeakPtr();
   utility_process_host_->SetName(l10n_util::GetStringUTF16(
       IDS_UTILITY_PROCESS_PROFILE_IMPORTER_NAME));
   utility_process_host_->DisableSandbox();