Use the exact-width integer types defined in <stdint.h> rather than

net/base/load_timing_info.h

 // Copyright (c) 2012 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.
 
 #ifndef NET_BASE_LOAD_TIMING_INFO_H_
 #define NET_BASE_LOAD_TIMING_INFO_H_
 
 #include "base/basictypes.h"
 #include "base/time/time.h"
 #include "net/base/net_export.h"
@@ skipping 95 matching lines @@
   bool socket_reused;
 
   // Unique socket ID, can be used to identify requests served by the same
   // socket.  For connections tunnelled over SPDY proxies, this is the ID of
   // the virtual connection (The SpdyProxyClientSocket), not the ID of the
   // actual socket.  HTTP requests handled by the SPDY proxy itself all use the
   // actual socket's ID.
   //
   // 0 when there is no socket associated with the request, or it's not an HTTP
   // request.
-  uint32 socket_log_id;
+  uint32_t socket_log_id;
 
   // Start time as a base::Time, so times can be coverted into actual times.
   // Other times are recorded as TimeTicks so they are not affected by clock
   // changes.
   base::Time request_start_time;
 
   base::TimeTicks request_start;
 
   // The time spent determing which proxy to use.  Null when there is no PAC.
   base::TimeTicks proxy_resolve_start;
   base::TimeTicks proxy_resolve_end;
 
   ConnectTiming connect_timing;
 
   // The time that sending HTTP request started / ended.
   base::TimeTicks send_start;
   base::TimeTicks send_end;
 
   // The time at which the end of the HTTP headers were received.
   base::TimeTicks receive_headers_end;
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_LOAD_TIMING_INFO_H_