Revert "Rename mappedBy to map."

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 34915910c2451b96fb45186241cf5d0359f56947..4bd608853c589ced5b44801fd8c8cb9e8159c5af 100644
--- a/sdk/lib/_internal/compiler/implementation/lib/js_array.dart
+++ b/sdk/lib/_internal/compiler/implementation/lib/js_array.dart
@@ -84,10 +84,6 @@ class JSArray<E> implements List<E> {
     return IterableMixinWorkaround.forEach(this, f);
   }
 
-  Iterable map(f(E element)) {
-    return IterableMixinWorkaround.map(this, f);
-  }
-
   List mappedBy(f(E element)) {
     return IterableMixinWorkaround.mappedByList(this, f);
   }
@@ -101,7 +97,7 @@ class JSArray<E> implements List<E> {
     return JS('String', "#.join(#)", list, separator);
   }
 
-  Iterable<E> take(int n) {
+  List<E> take(int n) {
     return IterableMixinWorkaround.takeList(this, n);
   }
 
@@ -109,7 +105,7 @@ class JSArray<E> implements List<E> {
     return IterableMixinWorkaround.takeWhile(this, test);
   }
 
-  Iterable<E> skip(int n) {
+  List<E> skip(int n) {
     return IterableMixinWorkaround.skipList(this, n);
   }