Save pipelining capabilities for the most used hosts between sessions.

net/http/http_pipelined_host_impl.h

 // Copyright (c) 2011 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_HTTP_HTTP_PIPELINED_HOST_IMPL_H_
 #define NET_HTTP_HTTP_PIPELINED_HOST_IMPL_H_
 #pragma once
 
 #include <map>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/net_export.h"
 #include "net/http/http_pipelined_connection.h"
 #include "net/http/http_pipelined_host.h"
+#include "net/http/http_pipelined_host_capability.h"
 
 namespace net {
 
 class BoundNetLog;
 class ClientSocketHandle;
 class HttpPipelinedStream;
 class ProxyInfo;
 struct SSLConfig;
 
 // Manages all of the pipelining state for specific host with active pipelined
 // HTTP requests. Manages connection jobs, constructs pipelined streams, and
 // assigns requests to the least loaded pipelined connection.
 class NET_EXPORT_PRIVATE HttpPipelinedHostImpl
     : public HttpPipelinedHost,
       public HttpPipelinedConnection::Delegate {
  public:
   HttpPipelinedHostImpl(HttpPipelinedHost::Delegate* delegate,
                         const HostPortPair& origin,
                         HttpPipelinedConnection::Factory* factory,
-                        Capability capability);
+                        HttpPipelinedHostCapability capability);
   virtual ~HttpPipelinedHostImpl();
 
   // HttpPipelinedHost interface
   virtual HttpPipelinedStream* CreateStreamOnNewPipeline(
       ClientSocketHandle* connection,
       const SSLConfig& used_ssl_config,
       const ProxyInfo& used_proxy_info,
       const BoundNetLog& net_log,
       bool was_npn_negotiated) OVERRIDE;
 
@@ skipping 43 matching lines @@
   bool CanPipelineAcceptRequests(HttpPipelinedConnection* pipeline) const;
 
   // Called when |this| moves from UNKNOWN |capability_| to PROBABLY_CAPABLE.
   // Causes all pipelines to increase capacity to start pipelining.
   void NotifyAllPipelinesHaveCapacity();
 
   HttpPipelinedHost::Delegate* delegate_;
   const HostPortPair origin_;
   PipelineInfoMap pipelines_;
   scoped_ptr<HttpPipelinedConnection::Factory> factory_;
-  Capability capability_;
+  HttpPipelinedHostCapability capability_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpPipelinedHostImpl);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_PIPELINED_HOST_IMPL_H_