Converts RTCOfferOptions to constriants in the glue code for createOffer.

content/common/media/peer_connection_tracker_messages.h

 // Copyright (c) 2013 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 "base/values.h"
 #include "content/common/content_export.h"
 #include "ipc/ipc_message_macros.h"
 
 #undef IPC_MESSAGE_EXPORT
 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
 #define IPC_MESSAGE_START PeerConnectionTrackerMsgStart
 
 IPC_STRUCT_BEGIN(PeerConnectionInfo)
   IPC_STRUCT_MEMBER(int, lid)
-  IPC_STRUCT_MEMBER(std::string, servers)
+  IPC_STRUCT_MEMBER(std::string, rtc_configuration)
   IPC_STRUCT_MEMBER(std::string, constraints)
   IPC_STRUCT_MEMBER(std::string, url)
 IPC_STRUCT_END()
 
 // Messages sent from PeerConnectionTracker to PeerConnectionTrackerHost.
 IPC_MESSAGE_CONTROL1(PeerConnectionTrackerHost_AddPeerConnection,
                      PeerConnectionInfo /* info */)
 IPC_MESSAGE_CONTROL1(PeerConnectionTrackerHost_RemovePeerConnection,
                      int /* lid */)
 IPC_MESSAGE_CONTROL3(PeerConnectionTrackerHost_UpdatePeerConnection,
                      int /* lid */,
                      std::string /* type */,
                      std::string /* value */)
 IPC_MESSAGE_CONTROL2(PeerConnectionTrackerHost_AddStats,
                      int /* lid */,
                      base::ListValue /* value */)
 IPC_MESSAGE_CONTROL5(PeerConnectionTrackerHost_GetUserMedia,
                      std::string /*origin*/,
                      bool /*audio*/,
                      bool /*video*/,
                      // The constraints strings are for dispaly only and should
                      // not be parsed by the browser for security reasons.
                      std::string /* audio_constraints */,
                      std::string /* video_constraints */)
 
 // Messages sent to PeerConnectionTracker.
 IPC_MESSAGE_CONTROL0(PeerConnectionTracker_GetAllStats)