Server push cancellation: add NetLogs to track cache lookup transaction

net/spdy/spdy_test_utils.h

 // Copyright (c) 2012 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.
 
 #ifndef NET_SPDY_SPDY_TEST_UTILS_H_
 #define NET_SPDY_SPDY_TEST_UTILS_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 75 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(TestHeadersHandler);
 };
 
 // A test implementation of ServerPushDelegate that caches all the pushed
 // request and provides a interface to cancel the push given url.
 class TestServerPushDelegate : public ServerPushDelegate {
  public:
   explicit TestServerPushDelegate();
   ~TestServerPushDelegate() override;
 
-  void OnPush(std::unique_ptr<ServerPushHelper> push_helper) override;
+  void OnPush(std::unique_ptr<ServerPushHelper> push_helper,
+              const NetLogWithSource& session_net_log) override;
 
   bool CancelPush(GURL url);
 
  private:
   std::map<GURL, std::unique_ptr<ServerPushHelper>> push_helpers;
 };
 
 }  // namespace test
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_TEST_UTILS_H_