Rename mappedBy to map.

runtime/lib/growable_array.dart

Index: runtime/lib/growable_array.dart
diff --git a/runtime/lib/growable_array.dart b/runtime/lib/growable_array.dart
index 39e35fdb049586f3f867094c0b8e11ecf73dcca0..cd318648332cccb08ccecb74bd79091817e82af8 100644
--- a/runtime/lib/growable_array.dart
+++ b/runtime/lib/growable_array.dart
@@ -242,6 +242,10 @@ class _GrowableObjectArray<T> implements List<T> {
     return buffer.toString();
   }
 
+  Iterable map(f(T element)) {
+    return IterableMixinWorkaround.map(this, f);
+  }
+
   List mappedBy(f(T element)) {
     return IterableMixinWorkaround.mappedByList(this, f);
   }
@@ -254,7 +258,7 @@ class _GrowableObjectArray<T> implements List<T> {
     return IterableMixinWorkaround.where(this, f);
   }
 
-  List<T> take(int n) {
+  Iterable<T> take(int n) {
     return IterableMixinWorkaround.takeList(this, n);
   }
 
@@ -262,7 +266,7 @@ class _GrowableObjectArray<T> implements List<T> {
     return IterableMixinWorkaround.takeWhile(this, test);
   }
 
-  List<T> skip(int n) {
+  Iterable<T> skip(int n) {
     return IterableMixinWorkaround.skipList(this, n);
   }