Implement HTTP/2 settings field trial parameters.

net/spdy/spdy_session_pool.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_SESSION_POOL_H_
 #define NET_SPDY_SPDY_SESSION_POOL_H_
 
 #include <stddef.h>
 
 #include <map>
+#include <memory>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/ip_endpoint.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_export.h"
 #include "net/base/network_change_notifier.h"
 #include "net/cert/cert_database.h"
 #include "net/proxy/proxy_config.h"
 #include "net/proxy/proxy_server.h"
 #include "net/spdy/server_push_delegate.h"
+#include "net/spdy/spdy_protocol.h"
 #include "net/spdy/spdy_session_key.h"
 #include "net/ssl/ssl_config_service.h"
 
 namespace base {
 namespace trace_event {
 class ProcessMemoryDump;
 }
 }
 
 namespace net {
@@ skipping 13 matching lines @@
       public CertDatabase::Observer {
  public:
   typedef base::TimeTicks (*TimeFunc)(void);
 
   SpdySessionPool(HostResolver* host_resolver,
                   SSLConfigService* ssl_config_service,
                   HttpServerProperties* http_server_properties,
                   TransportSecurityState* transport_security_state,
                   bool enable_ping_based_connection_checking,
                   size_t session_max_recv_window_size,
-                  size_t stream_max_recv_window_size,
+                  const SettingsMap& initial_settings,
                   SpdySessionPool::TimeFunc time_func,
                   ProxyDelegate* proxy_delegate);
   ~SpdySessionPool() override;
 
   // In the functions below, a session is "available" if this pool has
   // a reference to it and there is some SpdySessionKey for which
   // FindAvailableSession() will return it. A session is "unavailable"
   // if this pool has a reference to it but it won't be returned by
   // FindAvailableSession() for any SpdySessionKey; for example, this
   // can happen when a session receives a GOAWAY frame and is still
@@ skipping 150 matching lines @@
   // but it is possible that multiple SpdySessions have pushed streams for the
   // same GURL.
   UnclaimedPushedStreamMap unclaimed_pushed_streams_;
 
   const scoped_refptr<SSLConfigService> ssl_config_service_;
   HostResolver* const resolver_;
 
   // Defaults to true. May be controlled via SpdySessionPoolPeer for tests.
   bool enable_sending_initial_data_;
   bool enable_ping_based_connection_checking_;
+
   size_t session_max_recv_window_size_;
-  size_t stream_max_recv_window_size_;
+
+  // Settings that are sent in the initial SETTINGS frame
+  // (if |enable_sending_initial_data_| is true),
+  // and also control SpdySession parameters like initial receive window size
+  // and maximum HPACK dynamic table size.
+  const SettingsMap initial_settings_;
+
   TimeFunc time_func_;
   ServerPushDelegate* push_delegate_;
 
   // Determines if a proxy is a trusted SPDY proxy, which is allowed to push
   // resources from origins that are different from those of their associated
   // streams. May be nullptr.
   ProxyDelegate* proxy_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(SpdySessionPool);
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_SESSION_POOL_H_