DDC fixes for SpeechRecognition

tests/lib_strong/html/speechrecognition_test.dart

Index: tests/lib_strong/html/speechrecognition_test.dart
diff --git a/tests/lib_strong/html/speechrecognition_test.dart b/tests/lib_strong/html/speechrecognition_test.dart
index 555beabd5409dda4aab0449af0fc584163a5ecfe..066faf03d05893fac27341a3a112ca0dadd0d34b 100644
--- a/tests/lib_strong/html/speechrecognition_test.dart
+++ b/tests/lib_strong/html/speechrecognition_test.dart
@@ -18,21 +18,22 @@ main() {
 
     test('SpeechRecognition', () {
       expect(() {
-        new SpeechRecognition();
+        var s = new SpeechRecognition();
+        expect(s is SpeechRecognition, true);
+        expect(s.onStart.listen is Function, true);
       }, expectation);
     });
-/*
-    https://code.google.com/p/dart/issues/detail?id=11825
+
     test('SpeechRecognitionEvent', () {
       expect(() {
-        var e = new Event.eventType('SpeechRecognitionEvent', 'speech');
+        var e = new SpeechRecognitionEvent('speech');
         expect(e is SpeechRecognitionEvent, true);
       }, expectation);
     });
-*/
+
     test('SpeechRecognitionError', () {
       expect(() {
-        var e = new Event.eventType('SpeechRecognitionError', 'speech');

[vsm, 2017/05/18 20:11:51]

This and commented test above appear deprecated.  The non-strong version of this
test seems to pass with dart2js+Dartium but fail with dart2js+Chrome.  Looks
like the underlying JS no longer works.

+        var e = new SpeechRecognitionError('speech');
         expect(e is SpeechRecognitionError, true);
       }, expectation);
     });