Rename XMatching to XWhere.

sdk/lib/_internal/compiler/implementation/lib/js_array.dart

Index: sdk/lib/_internal/compiler/implementation/lib/js_array.dart
diff --git a/sdk/lib/_internal/compiler/implementation/lib/js_array.dart b/sdk/lib/_internal/compiler/implementation/lib/js_array.dart
index cbdacad46eaf946ecd0fc132b702d6362648cb4c..10059c788a114df3c6396617c70f4cb1819b0969 100644
--- a/sdk/lib/_internal/compiler/implementation/lib/js_array.dart
+++ b/sdk/lib/_internal/compiler/implementation/lib/js_array.dart
@@ -51,14 +51,14 @@ class JSArray<E> implements List<E>, JSIndexable {
     IterableMixinWorkaround.retainAll(this, elements);
   }
 
-  void removeMatching(bool test(E element)) {
+  void removeWhere(bool test(E element)) {
     // This could, and should, be optimized.
-    IterableMixinWorkaround.removeMatchingList(this, test);
+    IterableMixinWorkaround.removeWhereList(this, test);
   }
 
-  void retainMatching(bool test(E element)) {
-    IterableMixinWorkaround.removeMatchingList(this,
-                                               (E element) => !test(element));
+  void retainWhere(bool test(E element)) {
+    IterableMixinWorkaround.removeWhereList(this,
+                                            (E element) => !test(element));
   }
 
   Iterable<E> where(bool f(E element)) {
@@ -121,16 +121,16 @@ class JSArray<E> implements List<E>, JSIndexable {
     return IterableMixinWorkaround.reduce(this, initialValue, combine);
   }
 
-  E firstMatching(bool test(E value), {E orElse()}) {
-    return IterableMixinWorkaround.firstMatching(this, test, orElse);
+  E firstWhere(bool test(E value), {E orElse()}) {
+    return IterableMixinWorkaround.firstWhere(this, test, orElse);
   }
 
-  E lastMatching(bool test(E value), {E orElse()}) {
-    return IterableMixinWorkaround.lastMatchingInList(this, test, orElse);
+  E lastWhere(bool test(E value), {E orElse()}) {
+    return IterableMixinWorkaround.lastWhereList(this, test, orElse);
   }
 
-  E singleMatching(bool test(E value)) {
-    return IterableMixinWorkaround.singleMatching(this, test);
+  E singleWhere(bool test(E value)) {
+    return IterableMixinWorkaround.singleWhere(this, test);
   }
 
   E elementAt(int index) {