Add additional UMA stats for remembering certificate decisions.

content/browser/ssl/ssl_host_state.cc

Index: content/browser/ssl/ssl_host_state.cc
diff --git a/content/browser/ssl/ssl_host_state.cc b/content/browser/ssl/ssl_host_state.cc
index 6820a7d30da6d52c9866a974753abd6d0ca08123..9754ed910fa2a2aadb3a91f272c920fec4fc33e8 100644
--- a/content/browser/ssl/ssl_host_state.cc
+++ b/content/browser/ssl/ssl_host_state.cc
@@ -104,15 +104,19 @@ void SSLHostState::Clear() {
   delegate_->Clear();
 }
 
-net::CertPolicy::Judgment SSLHostState::QueryPolicy(net::X509Certificate* cert,
-                                                    const std::string& host,
-                                                    net::CertStatus error) {
+net::CertPolicy::Judgment SSLHostState::QueryPolicy(
+    net::X509Certificate* cert,
+    const std::string& host,
+    net::CertStatus error,
+    bool* expired_previous_decision) {
   DCHECK(CalledOnValidThread());
 
-  if (!delegate_)
+  if (!delegate_) {
+    *expired_previous_decision = false;
     return net::CertPolicy::Judgment::UNKNOWN;
+  }
 
-  return delegate_->QueryPolicy(host, cert, error);
+  return delegate_->QueryPolicy(host, cert, error, expired_previous_decision);
 }
 
 }  // namespace content