Adds a VerifyAuditProof method to CTLogVerifier

net/cert/merkle_audit_proof.cc

 // 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 "net/cert/merkle_audit_proof.h"
 
 #include "base/logging.h"
 
 namespace net {
 namespace ct {
@@ skipping 13 matching lines @@
     index /= 2;
     last_node /= 2;
   }
 
   return length;
 }
 
 MerkleAuditProof::MerkleAuditProof() {}
 
 MerkleAuditProof::MerkleAuditProof(uint64_t leaf_index,
+                                   uint64_t tree_size,
                                    const std::vector<std::string>& audit_path)
-    : leaf_index(leaf_index), nodes(audit_path) {}
+    : leaf_index(leaf_index), tree_size(tree_size), nodes(audit_path) {}
 
 MerkleAuditProof::~MerkleAuditProof() {}
 
 }  // namespace ct
 }  // namespace net