Improve memory estimate of SpdySessionPool in net/ MemoryDumpProvider.

net/spdy/spdy_session_key.cc

 // 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.
 
 #include "net/spdy/spdy_session_key.h"
 
 #include <tuple>
 
 #include "base/logging.h"
+#include "net/base/host_port_pair.h"
+#include "net/spdy/platform/api/spdy_estimate_memory_usage.h"
 
 namespace net {
 
 SpdySessionKey::SpdySessionKey() : privacy_mode_(PRIVACY_MODE_DISABLED) {
 }
 
 SpdySessionKey::SpdySessionKey(const HostPortPair& host_port_pair,
                                const ProxyServer& proxy_server,
                                PrivacyMode privacy_mode)
     : host_port_proxy_pair_(host_port_pair, proxy_server),
@@ skipping 22 matching lines @@
          std::tie(other.privacy_mode_, other.host_port_proxy_pair_.first,
                   other.host_port_proxy_pair_.second);
 }
 
 bool SpdySessionKey::Equals(const SpdySessionKey& other) const {
   return privacy_mode_ == other.privacy_mode_ &&
       host_port_proxy_pair_.first.Equals(other.host_port_proxy_pair_.first) &&
       host_port_proxy_pair_.second == other.host_port_proxy_pair_.second;
 }
 
+size_t SpdySessionKey::EstimateMemoryUsage() const {
+  return SpdyEstimateMemoryUsage(host_port_proxy_pair_);
+}
+
 }  // namespace net