Server push cancellation: add PushPromiseHelper which reflects information on the push promise.

net/tools/quic/test_tools/push_promise_delegate.h

+// 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.
+
+#ifndef NET_TOOLS_QUIC_TEST_TOOLS_PUSH_PROMISE_DELEGATE_H_
+#define NET_TOOLS_QUIC_TEST_TOOLS_PUSH_PROMISE_DELEGATE_H_
+
+#include "net/quic/core/quic_client_push_promise_index.h"
+
+namespace net {
+namespace test {
+
+class PushPromiseDelegate : public QuicClientPushPromiseIndex::Delegate {
+ public:
+  explicit PushPromiseDelegate(bool match);
+
+  bool CheckVary(const SpdyHeaderBlock& client_request,
+                 const SpdyHeaderBlock& promise_request,
+                 const SpdyHeaderBlock& promise_response) override;
+
+  void OnRendezvousResult(QuicSpdyStream* stream) override;
+
+  QuicSpdyStream* rendezvous_stream() { return rendezvous_stream_; }
+  bool rendezvous_fired() { return rendezvous_fired_; }
+
+ private:
+  bool match_;
+  bool rendezvous_fired_;
+  QuicSpdyStream* rendezvous_stream_;
+};
+
+}  // namespace test
+}  // namespace net
+
+#endif  // NET_TOOLS_QUIC_TEST_TOOLS_PUSH_PROMISE_DELEGATE_H_