Allow Chrome OS login profile to have different default pref values

chrome/browser/prefs/browser_prefs.h

Index: chrome/browser/prefs/browser_prefs.h
diff --git a/chrome/browser/prefs/browser_prefs.h b/chrome/browser/prefs/browser_prefs.h
index ecd97360ae58213f85adfaaeffa6055289a95d17..1ca7077dd506492d83214eea4c369115387dfa3d 100644
--- a/chrome/browser/prefs/browser_prefs.h
+++ b/chrome/browser/prefs/browser_prefs.h
@@ -18,8 +18,15 @@ namespace chrome {
 // Register all prefs that will be used via the local state PrefService.
 void RegisterLocalState(PrefRegistrySimple* registry);
 
-// Register all prefs that will be used via a PrefService attached to a Profile.
-void RegisterUserPrefs(user_prefs::PrefRegistrySyncable* registry);
+// Register all prefs that will be used via a PrefService attached to a user
+// Profile.
+void RegisterUserProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
+
+#if defined(OS_CHROMEOS)
+// Register all prefs that will be used via a PrefService attached to the login
+// Profile.
+void RegisterLoginProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
+#endif
 
 // Migrates prefs from |local_state| to |profile|'s pref store.
 void MigrateBrowserPrefs(Profile* profile, PrefService* local_state);