Refactor preference syncing.

chrome/browser/prefs/pref_member_unittest.cc

Index: chrome/browser/prefs/pref_member_unittest.cc
diff --git a/chrome/browser/prefs/pref_member_unittest.cc b/chrome/browser/prefs/pref_member_unittest.cc
index b8079dd56b6c611ccf9e73d4bc29a33e72d01533..c241f25089534be9af7290ebe6feca8896f327be 100644
--- a/chrome/browser/prefs/pref_member_unittest.cc
+++ b/chrome/browser/prefs/pref_member_unittest.cc
@@ -22,11 +22,14 @@ const char kStringPref[] = "string";
 const char kListPref[] = "list";
 
 void RegisterTestPrefs(PrefService* prefs) {
-  prefs->RegisterBooleanPref(kBoolPref, false);
-  prefs->RegisterIntegerPref(kIntPref, 0);
-  prefs->RegisterDoublePref(kDoublePref, 0.0);
-  prefs->RegisterStringPref(kStringPref, "default");
-  prefs->RegisterListPref(kListPref);
+  prefs->RegisterBooleanPref(kBoolPref, false, false /* don't sync pref */);
+  prefs->RegisterIntegerPref(kIntPref, 0, false /* don't sync pref */);
+  prefs->RegisterDoublePref(kDoublePref, 0.0, false /* don't sync pref */);
+  prefs->RegisterStringPref(kStringPref,
+                            "default",
+                            false /* don't sync pref */);
+  prefs->RegisterListPref(kListPref,
+                          false /* don't sync pref */);
 }
 
 class GetPrefValueCallback