Adding some features to proxy.h, and restructuring the macros.

webrtc/api/dtmfsender.h

 /*
  *  Copyright 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 87 matching lines @@
   DtmfProviderInterface* provider_;
   std::string tones_;
   int duration_;
   int inter_tone_gap_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(DtmfSender);
 };
 
 // Define proxy for DtmfSenderInterface.
 BEGIN_SIGNALING_PROXY_MAP(DtmfSender)
+  PROXY_SIGNALING_THREAD_DESTRUCTOR()
   PROXY_METHOD1(void, RegisterObserver, DtmfSenderObserverInterface*)
   PROXY_METHOD0(void, UnregisterObserver)
   PROXY_METHOD0(bool, CanInsertDtmf)
   PROXY_METHOD3(bool, InsertDtmf, const std::string&, int, int)
   PROXY_CONSTMETHOD0(const AudioTrackInterface*, track)
   PROXY_CONSTMETHOD0(std::string, tones)
   PROXY_CONSTMETHOD0(int, duration)
   PROXY_CONSTMETHOD0(int, inter_tone_gap)
-END_SIGNALING_PROXY()
+END_PROXY_MAP()
 
 // Get DTMF code from the DTMF event character.
 bool GetDtmfCode(char tone, int* code);
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_API_DTMFSENDER_H_