Include what you use for the preparser.

src/conversions-inl.h

Index: src/conversions-inl.h
diff --git a/src/conversions-inl.h b/src/conversions-inl.h
index b098a1c29c1022e1c03057a58e319e5740af0e50..04aa9152bf2b03009ae6a366c7e63b578db153d3 100644
--- a/src/conversions-inl.h
+++ b/src/conversions-inl.h
@@ -1,4 +1,4 @@
-// Copyright 2011 the V8 project authors. All rights reserved.
+// Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
@@ -28,20 +28,15 @@
 #ifndef V8_CONVERSIONS_INL_H_
 #define V8_CONVERSIONS_INL_H_
 
-#include <limits.h>        // Required for INT_MAX etc.
-#include <math.h>
-#include <float.h>         // Required for DBL_MAX and on Win32 for finite()
-#include <stdarg.h>
-#include "globals.h"       // Required for V8_INFINITY
-
-// ----------------------------------------------------------------------------
-// Extra POSIX/ANSI functions for Win32/MSVC.
-
 #include "conversions.h"
+
+#include <limits.h>
+#include <math.h>
+#include "checks.h"
 #include "double.h"
-#include "platform.h"
 #include "scanner.h"
 #include "strtod.h"
+#include "utils.h"
 
 namespace v8 {
 namespace internal {
@@ -102,6 +97,11 @@ int32_t DoubleToInt32(double x) {
 }
 
 
+uint32_t DoubleToUint32(double x) {
+  return static_cast<uint32_t>(DoubleToInt32(x));
+}
+
+
 template <class Iterator, class EndMark>
 bool SubStringEquals(Iterator* current,
                      EndMark end,