Add enableReferrers and enableHyperlinkAuditing to contentSettings.misc API.

chrome/browser/profiles/profile.cc

Index: chrome/browser/profiles/profile.cc
diff --git a/chrome/browser/profiles/profile.cc b/chrome/browser/profiles/profile.cc
index 1bd2bd9031523218c0a557dcbd49ce6ee8910861..90a74bb030a604280facc35c89868c7df1335d90 100644
--- a/chrome/browser/profiles/profile.cc
+++ b/chrome/browser/profiles/profile.cc
@@ -186,6 +186,8 @@ class OffTheRecordProfileImpl : public Profile,
   }
 
   virtual ~OffTheRecordProfileImpl() {
+    // Notify observers that this profile is going to be destroyed soon before
+    // shutting down other members that may hold references to it.
     NotificationService::current()->Notify(NotificationType::PROFILE_DESTROYED,
                                            Source<Profile>(this),
                                            NotificationService::NoDetails());