Add an SignedCertificateTimetampStore, making SignedCertificateTimestamp be refcounted to aid.

content/browser/sct_store_impl.cc

+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "content/browser/sct_store_impl.h"
+
+namespace content {
+
+// static
+SignedCertificateTimestampStore*
+    SignedCertificateTimestampStore::GetInstance() {
+  return SignedCertificateTimestampStoreImpl::GetInstance();
+}
+
+// static
+SignedCertificateTimestampStoreImpl*
+    SignedCertificateTimestampStoreImpl::GetInstance() {
+  return Singleton<SignedCertificateTimestampStoreImpl>::get();
+}
+
+SignedCertificateTimestampStoreImpl::SignedCertificateTimestampStoreImpl()
+    : store_() {}

[wtc, 2013/11/19 01:57:40]

It is not necessary to initialize the store_ member like this if you are using
its default constructor. "store_()" can be omitted.

[alcutter, 2013/11/19 15:51:34]

Good call, done.

+
+SignedCertificateTimestampStoreImpl::~SignedCertificateTimestampStoreImpl() {}
+
+int SignedCertificateTimestampStoreImpl::StoreSignedCertificateTimestamp(
+    net::ct::SignedCertificateTimestamp* sct,
+    int process_id) {
+  return store_.Store(sct, process_id);
+}
+
+bool SignedCertificateTimestampStoreImpl::RetrieveSignedCertificateTimestamp(
+    int sct_id,
+    scoped_refptr<net::ct::SignedCertificateTimestamp>* sct) {
+  return store_.Retrieve(sct_id, sct);
+}
+
+}  // namespace content