Switch to standard integer types in mojo/.

mojo/shell/data_pipe_peek.cc

Index: mojo/shell/data_pipe_peek.cc
diff --git a/mojo/shell/data_pipe_peek.cc b/mojo/shell/data_pipe_peek.cc
index 7007f24a6ca73d7d10ace75ae6b6d13ab2c923a0..46293ee9b93e419c6e8b7e35859898c62313005b 100644
--- a/mojo/shell/data_pipe_peek.cc
+++ b/mojo/shell/data_pipe_peek.cc
@@ -4,6 +4,7 @@
 
 #include "mojo/shell/data_pipe_peek.h"
 
+#include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ -43,7 +44,7 @@ class PeekSleeper {
 
     MojoTimeTicks sleep_time =
         (deadline_ == 0) ? kMaxSleepMicros
-                         : std::min<int64>(deadline_ - now, kMaxSleepMicros);
+                         : std::min<int64_t>(deadline_ - now, kMaxSleepMicros);
     base::PlatformThread::Sleep(base::TimeDelta::FromMicroseconds(sleep_time));
     return true;
   }