Add enableReferrers and enableHyperlinkAuditing to contentSettings.misc API.

chrome/browser/ui/browser.cc

Index: chrome/browser/ui/browser.cc
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index 924e5cb8bb40ade901ecf095ea2290c76c5eea21..133000f9300b727ee456fc238f510e5551f6edd4 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -2088,9 +2088,12 @@ void Browser::RegisterUserPrefs(PrefService* prefs) {
   prefs->RegisterIntegerPref(prefs::kDevToolsSplitLocation, -1);
   prefs->RegisterDictionaryPref(prefs::kBrowserWindowPlacement);
   prefs->RegisterDictionaryPref(prefs::kPreferencesWindowPlacement);
-  // We need to register the type of this preference in order to query
-  // it even though it's only typically controlled via policy.
+  // We need to register the type of these preferences in order to query
+  // them even though they's typically only controlled via policy or command
+  // line switches.
   prefs->RegisterBooleanPref(prefs::kDisable3DAPIs, false);
+  prefs->RegisterBooleanPref(prefs::kEnableHyperlinkAuditing, true);
+  prefs->RegisterBooleanPref(prefs::kEnableReferrers, true);
 }
 
 // static