Preliminary safari support.

test/runner/browser/runner_test.dart

Index: test/runner/browser/runner_test.dart
diff --git a/test/runner/browser/runner_test.dart b/test/runner/browser/runner_test.dart
index 97d779ab86b24b41a419a5c3b53a9aea44ab1f17..dadf54917a57eaee32991c70cf490f31421a95a5 100644
--- a/test/runner/browser/runner_test.dart
+++ b/test/runner/browser/runner_test.dart
@@ -138,6 +138,12 @@ void main() {
       expect(result.exitCode, equals(0));
     });
 
+    test("on Safari", () {
+      new File(p.join(_sandbox, "test.dart")).writeAsStringSync(_success);
+      var result = _runUnittest(["-p", "safari", "test.dart"]);
+      expect(result.exitCode, equals(0));
+    }, testOn: "mac-os");
+
     test("on Dartium", () {
       new File(p.join(_sandbox, "test.dart")).writeAsStringSync(_success);
       var result = _runUnittest(["-p", "dartium", "test.dart"]);
@@ -193,6 +199,12 @@ void main() {
       expect(result.exitCode, equals(1));
     });
 
+    test("on Safari", () {
+      new File(p.join(_sandbox, "test.dart")).writeAsStringSync(_failure);
+      var result = _runUnittest(["-p", "safari", "test.dart"]);
+      expect(result.exitCode, equals(1));
+    }, testOn: "mac-os");
+
     test("on Dartium", () {
       new File(p.join(_sandbox, "test.dart")).writeAsStringSync(_failure);
       var result = _runUnittest(["-p", "dartium", "test.dart"]);