Replace QuicAckListenerInterface* with scoped_refptr<QuicAckListenerInterface>.

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 5e06f89e0eb7fa4670b222b3f88a7cada4ef405b..367008b9d36917a6b72d2c95594155e91952b922 100644
--- a/net/tools/quic/test_tools/quic_test_client.cc
+++ b/net/tools/quic/test_tools/quic_test_client.cc
@@ -292,7 +292,7 @@ ssize_t QuicTestClient::GetOrCreateStreamAndSendRequest(
     const SpdyHeaderBlock* headers,
     StringPiece body,
     bool fin,
-    QuicAckListenerInterface* delegate) {
+    const scoped_refptr<QuicAckListenerInterface>& delegate) {
   if (headers) {
     QuicClientPushPromiseIndex::TryHandle* handle;
     QuicAsyncStatus rv =
@@ -374,9 +374,10 @@ ssize_t QuicTestClient::SendData(const string& data, bool last_data) {
   return SendData(data, last_data, nullptr);
 }
 
-ssize_t QuicTestClient::SendData(const string& data,
-                                 bool last_data,
-                                 QuicAckListenerInterface* delegate) {
+ssize_t QuicTestClient::SendData(
+    const string& data,
+    bool last_data,
+    const scoped_refptr<QuicAckListenerInterface>& delegate) {
   return GetOrCreateStreamAndSendRequest(nullptr, StringPiece(data), last_data,
                                          delegate);
 }
@@ -671,6 +672,18 @@ void QuicTestClient::WaitForWriteToFlush() {
   }
 }
 
+QuicTestClient::TestClientDataToResend::TestClientDataToResend(
+    std::unique_ptr<SpdyHeaderBlock> headers,
+    base::StringPiece body,
+    bool fin,
+    QuicTestClient* test_client,
+    const scoped_refptr<QuicAckListenerInterface>& delegate)
+    : QuicClient::QuicDataToResend(std::move(headers), body, fin),
+      test_client_(test_client),
+      delegate_(delegate) {}
+
+QuicTestClient::TestClientDataToResend::~TestClientDataToResend() {}
+
 void QuicTestClient::TestClientDataToResend::Resend() {
   test_client_->GetOrCreateStreamAndSendRequest(headers_.get(), body_, fin_,
                                                 delegate_);