Switch to standard integer types in base/.

BUG=138542
[email protected]
NOPRESUBMIT=true

Review URL: https://codereview.chromium.org/1538743002

Cr-Commit-Position: refs/heads/master@{#366910}
diff --git a/base/sys_info_internal.h b/base/sys_info_internal.h
index 636a384c..a179219 100644
--- a/base/sys_info_internal.h
+++ b/base/sys_info_internal.h
@@ -5,6 +5,8 @@
 #ifndef BASE_SYS_INFO_INTERNAL_H_
 #define BASE_SYS_INFO_INTERNAL_H_
 
+#include "base/macros.h"
+
 namespace base {
 
 namespace internal {