Rename XMatching to XWhere.

sdk/lib/_collection_dev/list.dart

Index: sdk/lib/_collection_dev/list.dart
diff --git a/sdk/lib/_collection_dev/list.dart b/sdk/lib/_collection_dev/list.dart
index 9685fda673a1ecf8d6ce2203af4342eb4bfce38b..62bc51fb8c08b6738e46404ee0f9b106a4c4fa42 100644
--- a/sdk/lib/_collection_dev/list.dart
+++ b/sdk/lib/_collection_dev/list.dart
@@ -110,12 +110,12 @@ abstract class FixedLengthListBase<E> extends ListBase<E> {
         "Cannot remove from a fixed-length list");
   }
 
-  void removeMatching(bool test(E element)) {
+  void removeWhere(bool test(E element)) {
     throw new UnsupportedError(
         "Cannot remove from a fixed-length list");
   }
 
-  void retainMatching(bool test(E element)) {
+  void retainWhere(bool test(E element)) {
     throw new UnsupportedError(
         "Cannot remove from a fixed-length list");
   }
@@ -191,12 +191,12 @@ abstract class UnmodifiableListBase<E> extends ListBase<E> {
         "Cannot remove from an unmodifiable list");
   }
 
-  void removeMatching(bool test(E element)) {
+  void removeWhere(bool test(E element)) {
     throw new UnsupportedError(
         "Cannot remove from an unmodifiable list");
   }
 
-  void retainMatching(bool test(E element)) {
+  void retainWhere(bool test(E element)) {
     throw new UnsupportedError(
         "Cannot remove from an unmodifiable list");
   }