Change IllegalArgumentException to ArgumentError.

lib/compiler/implementation/lib/math_patch.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // Patch file for dart:math library.
 
 // Imports checkNum etc. used below.
 #import("js_helper.dart");
 
 patch double sqrt(num x)
@@ skipping 34 matching lines @@
 
 patch class Random {
   patch factory Random([int seed]) => const _Random();
 }
 
 class _Random implements Random {
   // The Dart2JS implementation of Random doesn't use a seed.
   const _Random();
 
   int nextInt(int max) {
-    if (max < 0) throw new IllegalArgumentException("negative max: $max");
+    if (max < 0) throw new ArgumentError("negative max: $max");
     if (max > 0xFFFFFFFF) max = 0xFFFFFFFF;
     return JS("int", "(Math.random() * #) >>> 0", max);
   }
 
   /**
    * Generates a positive random floating point value uniformly distributed on
    * the range from 0.0, inclusive, to 1.0, exclusive.
    */
   double nextDouble() => JS("double", "Math.random()");
 
   /**
    * Generates a random boolean value.
    */
   bool nextBool() => JS("bool", "Math.random() < 0.5");
 }