Switch to standard integer types in chromeos/.

chromeos/dbus/fake_system_clock_client.h

 // Copyright (c) 2013 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 CHROMEOS_DBUS_FAKE_SYSTEM_CLOCK_CLIENT_H_
 #define CHROMEOS_DBUS_FAKE_SYSTEM_CLOCK_CLIENT_H_
 
+#include <stdint.h>
+
+#include "base/macros.h"
 #include "chromeos/dbus/system_clock_client.h"
 
 namespace chromeos {
 
 // A fake implementation of SystemClockClient. This class does nothing.
 class CHROMEOS_EXPORT FakeSystemClockClient : public SystemClockClient {
  public:
   FakeSystemClockClient();
   ~FakeSystemClockClient() override;
 
   // SystemClockClient overrides
   void Init(dbus::Bus* bus) override;
   void AddObserver(Observer* observer) override;
   void RemoveObserver(Observer* observer) override;
   bool HasObserver(const Observer* observer) const override;
-  void SetTime(int64 time_in_seconds) override;
+  void SetTime(int64_t time_in_seconds) override;
   bool CanSetTime() override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FakeSystemClockClient);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_FAKE_SYSTEM_CLOCK_CLIENT_H_