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

webrtc/libjingle/xmpp/xmpppump.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 26 matching lines @@
 
   void DoLogin(const buzz::XmppClientSettings & xcs,
                buzz::AsyncSocket* socket,
                buzz::PreXmppAuth* auth);
   void DoDisconnect();
 
   void OnStateChange(buzz::XmppEngine::State state);
 
   void WakeTasks();
 
-  int64 CurrentTime();
+  int64_t CurrentTime();
 
   void OnMessage(rtc::Message *pmsg);
 
   buzz::XmppReturnStatus SendStanza(const buzz::XmlElement *stanza);
 
 private:
   buzz::XmppClient *client_;
   buzz::XmppEngine::State state_;
   buzz::XmppPumpNotify *notify_;
 };
 
 }  // namespace buzz
 
 #endif // WEBRTC_LIBJINGLE_XMPP_XMPPPUMP_H_