Reduce usage of MessageLoopProxy in base/

base/prefs/pref_member_unittest.cc

Index: base/prefs/pref_member_unittest.cc
diff --git a/base/prefs/pref_member_unittest.cc b/base/prefs/pref_member_unittest.cc
index d4d7e02c9782396701137fdc0a8d8a78db7d4c99..a6b4deef01e65b557876186fc35fdf32be2fddfb 100644
--- a/base/prefs/pref_member_unittest.cc
+++ b/base/prefs/pref_member_unittest.cc
@@ -37,7 +37,7 @@ class GetPrefValueHelper
 
   void Init(const char* pref_name, PrefService* prefs) {
     pref_.Init(pref_name, prefs);
-    pref_.MoveToThread(pref_thread_.message_loop_proxy());
+    pref_.UseAlternateTaskRunner(pref_thread_.message_loop_proxy());
   }
 
   void Destroy() {
@@ -298,7 +298,7 @@ TEST(PrefMemberTest, NoInit) {
   IntegerPrefMember pref;
 }
 
-TEST(PrefMemberTest, MoveToThread) {
+TEST(PrefMemberTest, UseAlternateTaskRunner) {
   TestingPrefServiceSimple prefs;
   scoped_refptr<GetPrefValueHelper> helper(new GetPrefValueHelper());
   RegisterTestPrefs(prefs.registry());