Refactor preference syncing.

chrome/browser/translate/translate_prefs.cc

Index: chrome/browser/translate/translate_prefs.cc
diff --git a/chrome/browser/translate/translate_prefs.cc b/chrome/browser/translate/translate_prefs.cc
index cc04f42d01e01655dff979536197bd88fb4ca516..dee78e4f5f5bfeeaca6f0c6fbb29016df4f136eb 100644
--- a/chrome/browser/translate/translate_prefs.cc
+++ b/chrome/browser/translate/translate_prefs.cc
@@ -152,17 +152,22 @@ bool TranslatePrefs::ShouldAutoTranslate(PrefService* user_prefs,
 
 void TranslatePrefs::RegisterUserPrefs(PrefService* user_prefs) {
   if (!user_prefs->FindPreference(kPrefTranslateLanguageBlacklist))
-    user_prefs->RegisterListPref(kPrefTranslateLanguageBlacklist);
+    user_prefs->RegisterListPref(kPrefTranslateLanguageBlacklist,
+                                 true /* sync pref */);
   if (!user_prefs->FindPreference(kPrefTranslateSiteBlacklist))
-    user_prefs->RegisterListPref(kPrefTranslateSiteBlacklist);
+    user_prefs->RegisterListPref(kPrefTranslateSiteBlacklist,
+                                 true /* sync pref */);
   if (!user_prefs->FindPreference(kPrefTranslateWhitelists)) {
-    user_prefs->RegisterDictionaryPref(kPrefTranslateWhitelists);
+    user_prefs->RegisterDictionaryPref(kPrefTranslateWhitelists,
+                                       true /* sync pref */);
     MigrateTranslateWhitelists(user_prefs);
   }
   if (!user_prefs->FindPreference(kPrefTranslateDeniedCount))
-    user_prefs->RegisterDictionaryPref(kPrefTranslateDeniedCount);
+    user_prefs->RegisterDictionaryPref(kPrefTranslateDeniedCount,
+                                       true /* sync pref */);
   if (!user_prefs->FindPreference(kPrefTranslateAcceptedCount))
-    user_prefs->RegisterDictionaryPref(kPrefTranslateAcceptedCount);
+    user_prefs->RegisterDictionaryPref(kPrefTranslateAcceptedCount,
+                                       true /* sync pref */);
 }
 
 // TranslatePrefs: private, static: --------------------------------------------