Generate param traits size methods for IPC files in chrome/ (and traits it depends on).

chrome/common/cast_messages.h

 // Copyright 2014 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.
 
 // IPC messages for the Cast transport API.
 
 #include <stdint.h>
 
 #include "ipc/ipc_message_macros.h"
 #include "media/cast/common/rtp_time.h"
 #include "media/cast/logging/logging_defines.h"
 #include "media/cast/net/cast_transport.h"
 #include "media/cast/net/rtcp/rtcp_defines.h"
 #include "net/base/ip_endpoint.h"
 
 #ifndef CHROME_COMMON_CAST_MESSAGES_H_
 #define CHROME_COMMON_CAST_MESSAGES_H_
 
 namespace IPC {
 
 template<>
 struct ParamTraits<media::cast::RtpTimeTicks> {
   using param_type = media::cast::RtpTimeTicks;
+  static void GetSize(base::PickleSizer* s, const param_type& p);
   static void Write(base::Pickle* m, const param_type& p);
   static bool Read(const base::Pickle* m,
                    base::PickleIterator* iter,
                    param_type* r);
   static void Log(const param_type& p, std::string* l);
 };
 
 template<>
 struct ParamTraits<media::cast::FrameId> {
   using param_type = media::cast::FrameId;
+  static void GetSize(base::PickleSizer* s, const param_type& p);
   static void Write(base::Pickle* m, const param_type& p);
   static bool Read(const base::Pickle* m,
                    base::PickleIterator* iter,
                    param_type* r);
   static void Log(const param_type& p, std::string* l);
 };
 
 }  // namespace IPC
 
 #endif  // CHROME_COMMON_CAST_MESSAGES_H_
@@ skipping 196 matching lines @@
     int32_t /* channel id */,
     media::cast::ReceiverRtcpEventSubscriber::RtcpEvents /* rtcp_events */)
 
 IPC_MESSAGE_CONTROL2(
     CastHostMsg_AddRtpReceiverReport,
     int32_t /* channel id */,
     media::cast::RtcpReportBlock /* rtp_receiver_report_block */)
 
 IPC_MESSAGE_CONTROL1(CastHostMsg_SendRtcpFromRtpReceiver,
                      int32_t /* channel id */)