Add option to simulate alternate protocol always being present....

net/http/http_network_layer.cc

 // Copyright (c) 2010 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/http/http_network_layer.h"
 
 #include "base/field_trial.h"
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "net/http/http_network_session.h"
@@ skipping 130 matching lines @@
   return session_;
 }
 
 // static
 void HttpNetworkLayer::EnableSpdy(const std::string& mode) {
   static const char kSSL[] = "ssl";
   static const char kDisableSSL[] = "no-ssl";
   static const char kDisableCompression[] = "no-compress";
   static const char kDisableAltProtocols[] = "no-alt-protocols";
   static const char kEnableVersionOne[] = "v1";
+  static const char kForceAltProtocols[] = "force-alt-protocols";
+
 
   // If flow-control is enabled, received WINDOW_UPDATE and SETTINGS
   // messages are processed and outstanding window size is actually obeyed
   // when sending data frames, and WINDOW_UPDATE messages are generated
   // when data is consumed.
   static const char kEnableFlowControl[] = "flow-control";
 
   // We want an A/B experiment between SPDY enabled and SPDY disabled,
   // but only for pages where SPDY *could have been* negotiated.  To do
   // this, we use NPN, but prevent it from negotiating SPDY.  If the
@@ skipping 42 matching lines @@
       HttpStreamFactory::set_use_alternate_protocols(false);
       HttpStreamFactory::set_next_protos(kNpnProtosHttpOnly);
     } else if (option == kEnableVersionOne) {
       spdy::SpdyFramer::set_protocol_version(1);
       HttpStreamFactory::set_next_protos(kNpnProtosFullV1);
     } else if (option == kDisableAltProtocols) {
       use_alt_protocols = false;
       HttpStreamFactory::set_use_alternate_protocols(false);
     } else if (option == kEnableFlowControl) {
       SpdySession::SetFlowControl(true);
+    } else if (option == kForceAltProtocols) {
+      HttpAlternateProtocols::PortProtocolPair pair;
+      pair.port = 443;
+      pair.protocol = HttpAlternateProtocols::NPN_SPDY_2;
+      HttpAlternateProtocols::ForceAlternateProtocol(pair);
     } else if (option.empty() && it == spdy_options.begin()) {
       continue;
     } else {
       LOG(DFATAL) << "Unrecognized spdy option: " << option;
     }
   }
 }
 }  // namespace net