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

chrome/browser/metrics/chrome_metrics_service_client.h

Index: chrome/browser/metrics/chrome_metrics_service_client.h
diff --git a/chrome/browser/metrics/chrome_metrics_service_client.h b/chrome/browser/metrics/chrome_metrics_service_client.h
index b79878fbdcef21feb7571e0778eacf6e5c51887e..7cb7a43bc7b40f2322dbaba81f0e3faea319e7c1 100644
--- a/chrome/browser/metrics/chrome_metrics_service_client.h
+++ b/chrome/browser/metrics/chrome_metrics_service_client.h
@@ -5,13 +5,16 @@
 #ifndef CHROME_BROWSER_METRICS_CHROME_METRICS_SERVICE_CLIENT_H_
 #define CHROME_BROWSER_METRICS_CHROME_METRICS_SERVICE_CLIENT_H_
 
+#include <stdint.h>
+
 #include <string>
 
-#include "base/basictypes.h"
 #include "base/callback.h"
+#include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/thread_checker.h"
+#include "build/build_config.h"
 #include "chrome/browser/metrics/metrics_memory_details.h"
 #include "components/metrics/metrics_service_client.h"
 #include "components/metrics/profiler/tracking_synchronizer_observer.h"
@@ -58,7 +61,7 @@ class ChromeMetricsServiceClient
   void SetMetricsClientId(const std::string& client_id) override;
   void OnRecordingDisabled() override;
   bool IsOffTheRecordSessionActive() override;
-  int32 GetProduct() override;
+  int32_t GetProduct() override;
   std::string GetApplicationLocale() override;
   bool GetBrand(std::string* brand_code) override;
   metrics::SystemProfileProto::Channel GetChannel() override;