base: Update comment about use of std::numeric_limits.

Mention that is also possible to use the (U)INTx_{MIN,MAX} macros from
stdint.h as well, when numeric_limits introduce static initializers.

See chromium-dev discussion in
https://groups.google.com/a/chromium.org/d/topic/chromium-dev/Bvd9QU5pY9Q/discussion
for more details.

BUG=138542
R=thestig@chromium.org

Review URL: https://codereview.chromium.org/1337963002

Cr-Commit-Position: refs/heads/master@{#348528}


CrOS-Libchrome-Original-Commit: 60801fe669ada7f139c9a4d1e606a925d1b4355e
diff --git a/base/basictypes.h b/base/basictypes.h
index d71abd9..e167466 100644
--- a/base/basictypes.h
+++ b/base/basictypes.h
@@ -28,7 +28,8 @@
 typedef int64_t int64;
 typedef uint64_t uint64;
 
-// DEPRECATED: Please use std::numeric_limits (from <limits>) instead.
+// DEPRECATED: Please use std::numeric_limits (from <limits>) or
+// (U)INT{8,16,32,64}_{MIN,MAX} in case of globals (and include <stdint.h>).
 const uint8  kuint8max  =  0xFF;
 const uint16 kuint16max =  0xFFFF;
 const uint32 kuint32max =  0xFFFFFFFF;