Rename XMatching to XWhere.

sdk/lib/collection/linked_hash_set.dart

Index: sdk/lib/collection/linked_hash_set.dart
diff --git a/sdk/lib/collection/linked_hash_set.dart b/sdk/lib/collection/linked_hash_set.dart
index 7fc0653b22751e170c38caba8703b2e4204eba85..9c77532345d0ec3ab5af2430357286dc994ab346 100644
--- a/sdk/lib/collection/linked_hash_set.dart
+++ b/sdk/lib/collection/linked_hash_set.dart
@@ -97,7 +97,7 @@ class LinkedHashSet<E> extends Collection<E> implements Set<E> {
     IterableMixinWorkaround.retainAll(this, objectsToRemove);
   }
 
-  void _filterMatching(bool test(E element), bool removeMatching) {
+  void _filterWhere(bool test(E element), bool removeMatching) {
     int entrySize = _table._entrySize;
     int length = _table._table.length;
     int offset = _table._next(_LinkedHashTable._HEAD_OFFSET);
@@ -115,12 +115,12 @@ class LinkedHashSet<E> extends Collection<E> implements Set<E> {
     _table._checkCapacity();
   }
 
-  void removeMatching(bool test(E element)) {
-    _filterMatching(test, true);
+  void removeWhere(bool test(E element)) {
+    _filterWhere(test, true);
   }
 
-  void retainMatching(bool test(E element)) {
-    _filterMatching(test, false);
+  void retainWhere(bool test(E element)) {
+    _filterWhere(test, false);
   }
 
   void clear() {