Pass FROM_HERE to ObserverListThreadSafe::Notify to improve profile.

net/cert/cert_database.cc

Index: net/cert/cert_database.cc
diff --git a/net/cert/cert_database.cc b/net/cert/cert_database.cc
index d6a9b1b77fc4c0b8332d31e0aea39e738ab78e82..8591122dc827dcb82f69af4945c80a74410b4acf 100644
--- a/net/cert/cert_database.cc
+++ b/net/cert/cert_database.cc
@@ -25,17 +25,19 @@ void CertDatabase::RemoveObserver(Observer* observer) {
 }
 
 void CertDatabase::NotifyObserversOfCertAdded(const X509Certificate* cert) {
-  observer_list_->Notify(&Observer::OnCertAdded, make_scoped_refptr(cert));
+  observer_list_->Notify(FROM_HERE, &Observer::OnCertAdded,
+                         make_scoped_refptr(cert));
 }
 
 void CertDatabase::NotifyObserversOfCertRemoved(const X509Certificate* cert) {
-  observer_list_->Notify(&Observer::OnCertRemoved, make_scoped_refptr(cert));
+  observer_list_->Notify(FROM_HERE, &Observer::OnCertRemoved,
+                         make_scoped_refptr(cert));
 }
 
 void CertDatabase::NotifyObserversOfCACertChanged(
     const X509Certificate* cert) {
-  observer_list_->Notify(
-      &Observer::OnCACertChanged, make_scoped_refptr(cert));
+  observer_list_->Notify(FROM_HERE, &Observer::OnCACertChanged,
+                         make_scoped_refptr(cert));
 }
 
 }  // namespace net