Add a force pipelining option to load flags.

net/http/http_pipelined_connection_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_CONNECTION_IMPL_H_
 #define NET_HTTP_HTTP_PIPELINED_CONNECTION_IMPL_H_
 #pragma once
 
 #include <map>
 #include <queue>
@@ skipping 28 matching lines @@
 // This class manages all of the state for a single pipelined connection. It
 // tracks the order that HTTP requests are sent and enforces that the
 // subsequent reads occur in the appropriate order.
 //
 // If an error occurs related to pipelining, ERR_PIPELINE_EVICTION will be
 // returned to the client. This indicates the client should retry the request
 // without pipelining.
 class NET_EXPORT_PRIVATE HttpPipelinedConnectionImpl
     : public HttpPipelinedConnection {
  public:
+  class Factory : public HttpPipelinedConnection::Factory {
+   public:
+    virtual HttpPipelinedConnection* CreateNewPipeline(
+        ClientSocketHandle* connection,
+        HttpPipelinedConnection::Delegate* delegate,
+        const HostPortPair& origin,
+        const SSLConfig& used_ssl_config,
+        const ProxyInfo& used_proxy_info,
+        const BoundNetLog& net_log,
+        bool was_npn_negotiated,
+        SSLClientSocket::NextProto protocol_negotiated) OVERRIDE {
+      return new HttpPipelinedConnectionImpl(connection, delegate, origin,
+                                             used_ssl_config, used_proxy_info,
+                                             net_log, was_npn_negotiated,
+                                             protocol_negotiated);
+    }
+  };
+
   HttpPipelinedConnectionImpl(ClientSocketHandle* connection,
                               Delegate* delegate,
                               const HostPortPair& origin,
                               const SSLConfig& used_ssl_config,
                               const ProxyInfo& used_proxy_info,
                               const BoundNetLog& net_log,
                               bool was_npn_negotiated,
                               SSLClientSocket::NextProto protocol_negotiated);
   virtual ~HttpPipelinedConnectionImpl();
 
@@ skipping 250 matching lines @@
   ReadHeadersState read_next_state_;
   int active_read_id_;
   bool read_still_on_call_stack_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpPipelinedConnectionImpl);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_PIPELINED_CONNECTION_IMPL_H_