Use suffixed {uint,int}{8,16,32,64}_t types.

webrtc/base/asyncsocket.h

 /*
  *  Copyright 2004 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 46 matching lines @@
   int Send(const void* pv, size_t cb) override;
   int SendTo(const void* pv, size_t cb, const SocketAddress& addr) override;
   int Recv(void* pv, size_t cb) override;
   int RecvFrom(void* pv, size_t cb, SocketAddress* paddr) override;
   int Listen(int backlog) override;
   AsyncSocket* Accept(SocketAddress* paddr) override;
   int Close() override;
   int GetError() const override;
   void SetError(int error) override;
   ConnState GetState() const override;
-  int EstimateMTU(uint16* mtu) override;
+  int EstimateMTU(uint16_t* mtu) override;
   int GetOption(Option opt, int* value) override;
   int SetOption(Option opt, int value) override;
 
  protected:
   virtual void OnConnectEvent(AsyncSocket* socket);
   virtual void OnReadEvent(AsyncSocket* socket);
   virtual void OnWriteEvent(AsyncSocket* socket);
   virtual void OnCloseEvent(AsyncSocket* socket, int err);
 
   AsyncSocket* socket_;
 };
 
 }  // namespace rtc
 
 #endif  // WEBRTC_BASE_ASYNCSOCKET_H_