Add enableReferrers and enableHyperlinkAuditing to contentSettings.misc API.

chrome/browser/profiles/profile_io_data.cc

Index: chrome/browser/profiles/profile_io_data.cc
diff --git a/chrome/browser/profiles/profile_io_data.cc b/chrome/browser/profiles/profile_io_data.cc
index 3b7e943bf469373a538d441e57b258381d59e18d..aade3dc55d65c6c7ad1de476f3e437166b8e7e7a 100644
--- a/chrome/browser/profiles/profile_io_data.cc
+++ b/chrome/browser/profiles/profile_io_data.cc
@@ -121,6 +121,7 @@ class ChromeCookieMonsterDelegate : public net::CookieMonster::Delegate {
 
 }  // namespace
 
+// static
 void ProfileIOData::InitializeProfileParams(Profile* profile,
                                             ProfileParams* params) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
@@ -271,3 +272,8 @@ void ProfileIOData::ApplyProfileParamsToContext(
   context->set_extension_info_map(profile_params.extension_info_map);
   context->set_prerender_manager(profile_params.prerender_manager);
 }
+
+void ProfileIOData::ShutdownOnUIThread() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  enable_referrers_.Destroy();
+}