Fix some pecularities in my C++ style for achuith@.

chrome/browser/web_resource/notification_promo.cc

Index: chrome/browser/web_resource/notification_promo.cc
diff --git a/chrome/browser/web_resource/notification_promo.cc b/chrome/browser/web_resource/notification_promo.cc
index 9cfbd20e527ccfe777d14240ea3930d80336c2f6..9738efccd6b158a94cf898d3e4b65570f8f0a45f 100644
--- a/chrome/browser/web_resource/notification_promo.cc
+++ b/chrome/browser/web_resource/notification_promo.cc
@@ -319,6 +319,7 @@ void NotificationPromo::RegisterPrefs(PrefServiceSimple* local_state) {
 // static
 void NotificationPromo::RegisterUserPrefs(PrefServiceSyncable* prefs) {
   // TODO(dbeam): Remove in M28 when we're reasonably sure all prefs are gone.
+  // http://crbug.com/168887
   prefs->RegisterDictionaryPref(kPrefPromoObject,
                                 PrefServiceSyncable::UNSYNCABLE_PREF);
   prefs->ClearPref(kPrefPromoObject);