Remove kint64max.

base/sys_info.cc

 // 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.
 
 #include "base/sys_info.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/metrics/field_trial.h"
@@ skipping 41 matching lines @@
 std::string SysInfo::HardwareModelName() {
   return std::string();
 }
 #endif
 
 // static
 base::TimeDelta SysInfo::Uptime() {
   // This code relies on an implementation detail of TimeTicks::Now() - that
   // its return value happens to coincide with the system uptime value in
   // microseconds, on Win/Mac/iOS/Linux/ChromeOS and Android.
-  int64 uptime_in_microseconds = TimeTicks::Now().ToInternalValue();
+  int64_t uptime_in_microseconds = TimeTicks::Now().ToInternalValue();
   return base::TimeDelta::FromMicroseconds(uptime_in_microseconds);
 }
 
 }  // namespace base