Deprecate Math object in corelib in favor of dart:math library.

tests/standalone/io/process_check_arguments_script.dart

Index: tests/standalone/io/process_check_arguments_script.dart
diff --git a/tests/standalone/io/process_check_arguments_script.dart b/tests/standalone/io/process_check_arguments_script.dart
index ee3b4ea4562980e2f499b66b22a398d91caf7718..1898356605a16af3cb90c8051136c0a18f509762 100644
--- a/tests/standalone/io/process_check_arguments_script.dart
+++ b/tests/standalone/io/process_check_arguments_script.dart
@@ -4,12 +4,13 @@
 //
 // Utility script to check that arguments are correctly passed from
 // one dart process to another using the dart:io process interface.
+#import('dart:math');
 
 main() {
   var options = new Options();
   Expect.isTrue(options.script.endsWith('process_check_arguments_script.dart'));
-  var expected_num_args = Math.parseInt(options.arguments[0]);
-  var contains_quote = Math.parseInt(options.arguments[1]);
+  var expected_num_args = parseInt(options.arguments[0]);
+  var contains_quote = parseInt(options.arguments[1]);
   Expect.equals(expected_num_args, options.arguments.length);
   for (var i = 2; i < options.arguments.length; i++) {
     Expect.isTrue((contains_quote == 0) || options.arguments[i].contains('"'));