Add Certificate Transparency logs auditing

components/certificate_transparency/timestamped_leaf.cc

Index: components/certificate_transparency/timestamped_leaf.cc
diff --git a/components/certificate_transparency/timestamped_leaf.cc b/components/certificate_transparency/timestamped_leaf.cc
new file mode 100644
index 0000000000000000000000000000000000000000..e1bd9f7673ba2a86f76226e7a10159046108e723
--- /dev/null
+++ b/components/certificate_transparency/timestamped_leaf.cc
@@ -0,0 +1,37 @@
+// Copyright 2016 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 "components/certificate_transparency/timestamped_leaf.h"
+
+TimestampedLeaf::TimestampedLeaf(const net::ct::MerkleTreeLeaf& leaf,
+                                 const base::Time& seen_at)
+    : leaf_(leaf), first_seen_(seen_at) {}
+
+TimestampedLeaf::TimestampedLeaf(const TimestampedLeaf& other)
+    : leaf_(other.leaf_),
+      first_seen_(other.first_seen_),
+      leaf_index_(other.leaf_index_) {}
+
+TimestampedLeaf::~TimestampedLeaf() {}
+
+void TimestampedLeaf::SetLeafIndex(uint64_t index) {
+  CHECK(!leaf_index_);
+  leaf_index_ = index;
+}
+
+bool TimestampedLeaf::HasLeafIndex() {
+  return bool(leaf_index_);
+}
+
+uint64_t TimestampedLeaf::GetLeafIndex() {
+  return leaf_index_.value();
+}
+
+net::ct::MerkleTreeLeaf TimestampedLeaf::GetLeaf() {
+  return leaf_;
+}
+
+const net::ct::MerkleTreeLeaf& TimestampedLeaf::GetLeaf() const {
+  return leaf_;
+}