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/callback_list_unittest.nc b/base/callback_list_unittest.nc
index 0704c8d..fd83d02d 100644
--- a/base/callback_list_unittest.nc
+++ b/base/callback_list_unittest.nc
@@ -10,6 +10,7 @@
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
+#include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 
 namespace base {