Reduce usage of MessageLoopProxy in base/

chrome/browser/profiles/profile_io_data.cc

Index: chrome/browser/profiles/profile_io_data.cc
diff --git a/chrome/browser/profiles/profile_io_data.cc b/chrome/browser/profiles/profile_io_data.cc
index 27ef592f2b9e67ef00bbdbfec874314dbfd131d2..e56bb52b6f3035b63e6daa5ffd9919a4a1e75c29 100644
--- a/chrome/browser/profiles/profile_io_data.cc
+++ b/chrome/browser/profiles/profile_io_data.cc
@@ -436,7 +436,7 @@ void ProfileIOData::InitializeOnUIThread(Profile* profile) {
       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO);
 #if defined(ENABLE_PRINTING)
   printing_enabled_.Init(prefs::kPrintingEnabled, pref_service);
-  printing_enabled_.MoveToThread(io_message_loop_proxy);
+  printing_enabled_.UseAlternateTaskRunner(io_message_loop_proxy);
 #endif
 
   chrome_http_user_agent_settings_.reset(
@@ -449,41 +449,44 @@ void ProfileIOData::InitializeOnUIThread(Profile* profile) {
 
     google_services_user_account_id_.Init(
         prefs::kGoogleServicesUserAccountId, pref_service);
-    google_services_user_account_id_.MoveToThread(io_message_loop_proxy);
+    google_services_user_account_id_.UseAlternateTaskRunner(
+        io_message_loop_proxy);
 
     google_services_username_.Init(
         prefs::kGoogleServicesUsername, pref_service);
-    google_services_username_.MoveToThread(io_message_loop_proxy);
+    google_services_username_.UseAlternateTaskRunner(io_message_loop_proxy);
 
     google_services_username_pattern_.Init(
         prefs::kGoogleServicesUsernamePattern, local_state_pref_service);
-    google_services_username_pattern_.MoveToThread(io_message_loop_proxy);
+    google_services_username_pattern_.UseAlternateTaskRunner(
+        io_message_loop_proxy);
 
     reverse_autologin_enabled_.Init(
         prefs::kReverseAutologinEnabled, pref_service);
-    reverse_autologin_enabled_.MoveToThread(io_message_loop_proxy);
+    reverse_autologin_enabled_.UseAlternateTaskRunner(io_message_loop_proxy);
 
     one_click_signin_rejected_email_list_.Init(
         prefs::kReverseAutologinRejectedEmailList, pref_service);
-    one_click_signin_rejected_email_list_.MoveToThread(io_message_loop_proxy);
+    one_click_signin_rejected_email_list_.UseAlternateTaskRunner(
+        io_message_loop_proxy);
 
     sync_disabled_.Init(sync_driver::prefs::kSyncManaged, pref_service);
-    sync_disabled_.MoveToThread(io_message_loop_proxy);
+    sync_disabled_.UseAlternateTaskRunner(io_message_loop_proxy);
 
     signin_allowed_.Init(prefs::kSigninAllowed, pref_service);
-    signin_allowed_.MoveToThread(io_message_loop_proxy);
+    signin_allowed_.UseAlternateTaskRunner(io_message_loop_proxy);
   }
 
   quick_check_enabled_.Init(prefs::kQuickCheckEnabled,
                             local_state_pref_service);
-  quick_check_enabled_.MoveToThread(io_message_loop_proxy);
+  quick_check_enabled_.UseAlternateTaskRunner(io_message_loop_proxy);
 
   media_device_id_salt_ = new MediaDeviceIDSalt(pref_service, IsOffTheRecord());
 
   network_prediction_options_.Init(prefs::kNetworkPredictionOptions,
                                    pref_service);
 
-  network_prediction_options_.MoveToThread(io_message_loop_proxy);
+  network_prediction_options_.UseAlternateTaskRunner(io_message_loop_proxy);
 
 #if defined(OS_CHROMEOS)
   scoped_ptr<policy::PolicyCertVerifier> verifier =
@@ -524,7 +527,7 @@ void ProfileIOData::InitializeOnUIThread(Profile* profile) {
 
   incognito_availibility_pref_.Init(
       prefs::kIncognitoModeAvailability, pref_service);
-  incognito_availibility_pref_.MoveToThread(io_message_loop_proxy);
+  incognito_availibility_pref_.UseAlternateTaskRunner(io_message_loop_proxy);
 
   initialized_on_UI_thread_ = true;
 
@@ -842,14 +845,14 @@ void ProfileIOData::InitializeMetricsEnabledStateOnUIThread() {
   // Android has it's own preferences for metrics / crash uploading.
   enable_metrics_.Init(prefs::kCrashReportingEnabled,
                        g_browser_process->local_state());
-  enable_metrics_.MoveToThread(
+  enable_metrics_.UseAlternateTaskRunner(
       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO));
 #else
   // Prep the PrefMember and send it to the IO thread, since this value will be
   // read from there.
   enable_metrics_.Init(prefs::kMetricsReportingEnabled,
                        g_browser_process->local_state());
-  enable_metrics_.MoveToThread(
+  enable_metrics_.UseAlternateTaskRunner(
       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO));
 #endif  // defined(OS_CHROMEOS)
 }