use std::unique_ptr for the callback argument of QUIC's ProofVerifier::Verify proof to make ownersh…

net/tools/quic/test_tools/quic_test_client.cc

Index: net/tools/quic/test_tools/quic_test_client.cc
diff --git a/net/tools/quic/test_tools/quic_test_client.cc b/net/tools/quic/test_tools/quic_test_client.cc
index 914c4f8ab03f15d9597bd7c916c18f38a3e893fc..651adf8c30955ed620d2cf0be0b4740d8c7e16eb 100644
--- a/net/tools/quic/test_tools/quic_test_client.cc
+++ b/net/tools/quic/test_tools/quic_test_client.cc
@@ -45,18 +45,19 @@ namespace {
 class RecordingProofVerifier : public ProofVerifier {
  public:
   // ProofVerifier interface.
-  QuicAsyncStatus VerifyProof(const string& hostname,
-                              const uint16_t port,
-                              const string& server_config,
-                              QuicVersion quic_version,
-                              StringPiece chlo_hash,
-                              const vector<string>& certs,
-                              const string& cert_sct,
-                              const string& signature,
-                              const ProofVerifyContext* context,
-                              string* error_details,
-                              std::unique_ptr<ProofVerifyDetails>* details,
-                              ProofVerifierCallback* callback) override {
+  QuicAsyncStatus VerifyProof(
+      const string& hostname,
+      const uint16_t port,
+      const string& server_config,
+      QuicVersion quic_version,
+      StringPiece chlo_hash,
+      const vector<string>& certs,
+      const string& cert_sct,
+      const string& signature,
+      const ProofVerifyContext* context,
+      string* error_details,
+      std::unique_ptr<ProofVerifyDetails>* details,
+      std::unique_ptr<ProofVerifierCallback> callback) override {
     common_name_.clear();
     if (certs.empty()) {
       return QUIC_FAILURE;