Expose PhantomJS's remote debugger URL.

test/runner/pause_after_load_test.dart

Index: test/runner/pause_after_load_test.dart
diff --git a/test/runner/pause_after_load_test.dart b/test/runner/pause_after_load_test.dart
index 04a7481d1b3ac1749f76f8ffaf3779a9e1679903..a67ea855fed7759109a56eeacd7835a705f76dee 100644
--- a/test/runner/pause_after_load_test.dart
+++ b/test/runner/pause_after_load_test.dart
@@ -160,11 +160,10 @@ void main() {
 """).create();
 
     var test = runTest(
-        ["--pause-after-load", "-p", "vm", "-p", "phantomjs", "test.dart"]);
+        ["--pause-after-load", "-p", "vm", "test.dart"]);
     test.stderr.expect(
-        "Warning: Debugging is currently unsupported on the Dart VM and "
-            "PhantomJS.");
-    test.stdout.expect(consumeThrough(contains("+2: All tests passed!")));
+        "Warning: Debugging is currently unsupported on the Dart VM.");
+    test.stdout.expect(consumeThrough(contains("+1: All tests passed!")));
     test.shouldExit(0);
   });