Switch to standard integer types in components/, part 2 of 4.

components/metrics/client_info.h

 // Copyright 2014 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 COMPONENTS_METRICS_CLIENT_INFO_H_
 #define COMPONENTS_METRICS_CLIENT_INFO_H_
 
+#include <stdint.h>
+
 #include <string>
 
-#include "base/basictypes.h"
 #include "base/macros.h"
 
 namespace metrics {
 
 // A data object used to pass data from outside the metrics component into the
 // metrics component.
 struct ClientInfo {
  public:
   ClientInfo();
   ~ClientInfo();
 
   // The metrics ID of this client: represented as a GUID string.
   std::string client_id;
 
   // The installation date: represented as an epoch time in seconds.
-  int64 installation_date;
+  int64_t installation_date;
 
   // The date on which metrics reporting was enabled: represented as an epoch
   // time in seconds.
-  int64 reporting_enabled_date;
+  int64_t reporting_enabled_date;
 };
 
 }  // namespace metrics
 
 #endif  // COMPONENTS_METRICS_CLIENT_INFO_H_