Update from https://crrev.com/329939

base/format_macros.h

Index: base/format_macros.h
diff --git a/base/format_macros.h b/base/format_macros.h
index 4d90c593a61690895f152a4b03e597b1c3fc3613..d58658d2b91a428dfed116248595748a28617d4c 100644
--- a/base/format_macros.h
+++ b/base/format_macros.h
@@ -23,19 +23,20 @@
 
 #include "build/build_config.h"
 
-#if defined(OS_POSIX)
-
-#if (defined(_INTTYPES_H) || defined(_INTTYPES_H_)) && !defined(PRId64)
+#if defined(OS_POSIX) && (defined(_INTTYPES_H) || defined(_INTTYPES_H_)) && \
+    !defined(PRId64)
 #error "inttypes.h has already been included before this header file, but "
 #error "without __STDC_FORMAT_MACROS defined."
 #endif
 
-#if !defined(__STDC_FORMAT_MACROS)
+#if defined(OS_POSIX) && !defined(__STDC_FORMAT_MACROS)
 #define __STDC_FORMAT_MACROS
 #endif
 
 #include <inttypes.h>
 
+#if defined(OS_POSIX)
+
 // GCC will concatenate wide and narrow strings correctly, so nothing needs to
 // be done here.
 #define WidePRId64 PRId64
@@ -76,16 +77,8 @@
 
 #else  // OS_WIN
 
-#if !defined(PRId64)
-#define PRId64 "I64d"
-#endif
-
-#if !defined(PRIu64)
-#define PRIu64 "I64u"
-#endif
-
-#if !defined(PRIx64)
-#define PRIx64 "I64x"
+#if !defined(PRId64) || !defined(PRIu64) || !defined(PRIx64)
+#error "inttypes.h provided by win toolchain should define these."
 #endif
 
 #define WidePRId64 L"I64d"