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

tests/standalone/io/process_stderr_test.dart

Index: tests/standalone/io/process_stderr_test.dart
diff --git a/tests/standalone/io/process_stderr_test.dart b/tests/standalone/io/process_stderr_test.dart
index 8c57880ac5a45d10c0957b6b97a53398c48268ac..11141e32630506bec7d1a4cbc9e59d3585266054 100644
--- a/tests/standalone/io/process_stderr_test.dart
+++ b/tests/standalone/io/process_stderr_test.dart
@@ -9,8 +9,10 @@
 // VMOptions=--short_socket_write
 // VMOptions=--short_socket_read --short_socket_write
 
-#import("dart:io");
-#source("process_test_util.dart");
+#import('dart:io');
+#import('dart:math');
+
+#source('process_test_util.dart');
 
 void test(Process process, int expectedExitCode) {
   // Wait for the process to start and then interact with it.
@@ -27,7 +29,7 @@ void test(Process process, int expectedExitCode) {
     void readData() {
       buffer.addAll(input.read());
       for (int i = received;
-           i < Math.min(data.length, buffer.length) - 1;
+           i < min(data.length, buffer.length) - 1;
            i++) {
         Expect.equals(data[i], buffer[i]);
       }