Replace QuicAckListenerInterface* with scoped_refptr<QuicAckListenerInterface>.

net/quic/test_tools/quic_test_utils.h

Index: net/quic/test_tools/quic_test_utils.h
diff --git a/net/quic/test_tools/quic_test_utils.h b/net/quic/test_tools/quic_test_utils.h
index 617a686b5fb93473dbf7e79c6884952897be16ed..fa773b723f9ca2cb68d61027c84d45d57c6f2c48 100644
--- a/net/quic/test_tools/quic_test_utils.h
+++ b/net/quic/test_tools/quic_test_utils.h
@@ -512,13 +512,14 @@ class MockQuicSession : public QuicSession {
   MOCK_METHOD1(CreateOutgoingDynamicStream, QuicStream*(SpdyPriority priority));
   MOCK_METHOD1(ShouldCreateIncomingDynamicStream, bool(QuicStreamId id));
   MOCK_METHOD0(ShouldCreateOutgoingDynamicStream, bool());
-  MOCK_METHOD6(WritevData,
-               QuicConsumedData(QuicStream* stream,
-                                QuicStreamId id,
-                                QuicIOVector data,
-                                QuicStreamOffset offset,
-                                bool fin,
-                                QuicAckListenerInterface*));
+  MOCK_METHOD6(
+      WritevData,
+      QuicConsumedData(QuicStream* stream,
+                       QuicStreamId id,
+                       QuicIOVector data,
+                       QuicStreamOffset offset,
+                       bool fin,
+                       const scoped_refptr<QuicAckListenerInterface>&));
 
   MOCK_METHOD3(SendRstStream,
                void(QuicStreamId stream_id,
@@ -543,7 +544,7 @@ class MockQuicSession : public QuicSession {
       const QuicIOVector& data,
       QuicStreamOffset offset,
       bool fin,
-      QuicAckListenerInterface* ack_notifier_delegate);
+      const scoped_refptr<QuicAckListenerInterface>& ack_notifier_delegate);
 
  private:
   std::unique_ptr<QuicCryptoStream> crypto_stream_;
@@ -576,7 +577,8 @@ class MockQuicSpdySession : public QuicSpdySession {
                                 QuicIOVector data,
                                 QuicStreamOffset offset,
                                 bool fin,
-                                QuicAckListenerInterface*));
+                                const scoped_refptr<QuicAckListenerInterface>&
+                                    ack_listener));
 
   MOCK_METHOD3(SendRstStream,
                void(QuicStreamId stream_id,
@@ -608,12 +610,12 @@ class MockQuicSpdySession : public QuicSpdySession {
                     const QuicHeaderList& header_list));
   // Methods taking non-copyable types like SpdyHeaderBlock by value cannot be
   // mocked directly.
-  size_t WriteHeaders(
-      QuicStreamId id,
-      SpdyHeaderBlock headers,
-      bool fin,
-      SpdyPriority priority,
-      QuicAckListenerInterface* ack_notifier_delegate) override {
+  size_t WriteHeaders(QuicStreamId id,
+                      SpdyHeaderBlock headers,
+                      bool fin,
+                      SpdyPriority priority,
+                      const scoped_refptr<QuicAckListenerInterface>&
+                          ack_notifier_delegate) override {
     write_headers_ = std::move(headers);
     return WriteHeadersMock(id, write_headers_, fin, priority,
                             ack_notifier_delegate);
@@ -623,7 +625,8 @@ class MockQuicSpdySession : public QuicSpdySession {
                       const SpdyHeaderBlock& headers,
                       bool fin,
                       SpdyPriority priority,
-                      QuicAckListenerInterface* ack_notifier_delegate));
+                      const scoped_refptr<QuicAckListenerInterface>&
+                          ack_notifier_delegate));
   MOCK_METHOD1(OnHeadersHeadOfLineBlocking, void(QuicTime::Delta delta));
   MOCK_METHOD4(
       OnStreamFrameData,