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

webrtc/base/macasyncsocket.h

 /*
  *  Copyright 2008 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.
  */
 // MacAsyncSocket is a kind of AsyncSocket. It only creates sockets
@@ skipping 31 matching lines @@
              size_t length,
              const SocketAddress& addr) override;
   int Recv(void* buffer, size_t length) override;
   int RecvFrom(void* buffer, size_t length, SocketAddress* out_addr) override;
   int Listen(int backlog) override;
   MacAsyncSocket* Accept(SocketAddress* out_addr) 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;
 
   // For the MacBaseSocketServer to disable callbacks when process_io is false.
   void EnableCallbacks();
   void DisableCallbacks();
 
  protected:
   void OnResolveResult(SignalThread* thread);
   int DoConnect(const SocketAddress& addr);
@@ skipping 26 matching lines @@
   int error_;
   ConnState state_;
   AsyncResolver* resolver_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(MacAsyncSocket);
 };
 
 }  // namespace rtc
 
 #endif  // WEBRTC_BASE_MACASYNCSOCKET_H__