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/run_loop.cc b/base/run_loop.cc
index 2aa4def9..b8558db4 100644
--- a/base/run_loop.cc
+++ b/base/run_loop.cc
@@ -6,6 +6,7 @@
 
 #include "base/bind.h"
 #include "base/tracked_objects.h"
+#include "build/build_config.h"
 
 #if defined(OS_WIN)
 #include "base/message_loop/message_pump_dispatcher.h"