Rename XMatching to XWhere.

tests/html/streams_test.dart

Index: tests/html/streams_test.dart
diff --git a/tests/html/streams_test.dart b/tests/html/streams_test.dart
index 3c3f5a2226759839ebdc6a9797291df259efa43a..843e1c7916f7c62cc138ac61e9305dc70d219877 100644
--- a/tests/html/streams_test.dart
+++ b/tests/html/streams_test.dart
@@ -267,16 +267,16 @@ main() {
     stream.single.then((_) {});
   });
 
-  test('firstMatching', () {
-    stream.firstMatching((_) => true).then((_) {});
+  test('firstWhere', () {
+    stream.firstWhere((_) => true).then((_) {});
   });
 
-  test('lastMatching', () {
-    stream.lastMatching((_) => true).then((_) {});
+  test('lastWhere', () {
+    stream.lastWhere((_) => true).then((_) {});
   });
 
-  test('singleMatching', () {
-    stream.singleMatching((_) => true).then((_) {});
+  test('singleWhere', () {
+    stream.singleWhere((_) => true).then((_) {});
   });
 
   test('elementAt', () {