Reduce usage of MessageLoopProxy in base/

chrome/browser/net/chrome_network_delegate.cc

Index: chrome/browser/net/chrome_network_delegate.cc
diff --git a/chrome/browser/net/chrome_network_delegate.cc b/chrome/browser/net/chrome_network_delegate.cc
index d295cc0620b0a4fc54ec3eb7e6f81613c6471937..3fcb8156482c6bb7825a02dbdac0f452b3b81fd2 100644
--- a/chrome/browser/net/chrome_network_delegate.cc
+++ b/chrome/browser/net/chrome_network_delegate.cc
@@ -306,16 +306,16 @@ void ChromeNetworkDelegate::InitializePrefsOnUIThread(
     PrefService* pref_service) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   enable_referrers->Init(prefs::kEnableReferrers, pref_service);
-  enable_referrers->MoveToThread(
+  enable_referrers->UseAlternateTaskRunner(
       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO));
   if (enable_do_not_track) {
     enable_do_not_track->Init(prefs::kEnableDoNotTrack, pref_service);
-    enable_do_not_track->MoveToThread(
+    enable_do_not_track->UseAlternateTaskRunner(
         BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO));
   }
   if (force_google_safe_search) {
     force_google_safe_search->Init(prefs::kForceSafeSearch, pref_service);
-    force_google_safe_search->MoveToThread(
+    force_google_safe_search->UseAlternateTaskRunner(
         BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO));
   }
 }