Make getKeys, getValues getters (keys, values).

tests/corelib/linked_hash_map_test.dart

Index: tests/corelib/linked_hash_map_test.dart
diff --git a/tests/corelib/linked_hash_map_test.dart b/tests/corelib/linked_hash_map_test.dart
index 60ea7179b5a457b5f4a63aa0620309c1e79ebd50..f90fa888b0cc144af29cc75994e5c734b4bb7db7 100644
--- a/tests/corelib/linked_hash_map_test.dart
+++ b/tests/corelib/linked_hash_map_test.dart
@@ -62,11 +62,11 @@ class LinkedHashMapTest {
     verifyValues(valuesInOrder);
 
     clear();
-    map.getKeys().forEach(testForEachKey);
+    map.keys.forEach(testForEachKey);
     verifyKeys(keysInOrder);
 
     clear();
-    map.getValues().forEach(testForEachValue);
+    map.values.forEach(testForEachValue);
     verifyValues(valuesInOrder);
 
     // Remove and then insert.
@@ -82,11 +82,11 @@ class LinkedHashMapTest {
     verifyValues(valuesAfterBMove);
 
     clear();
-    map.getKeys().forEach(testForEachKey);
+    map.keys.forEach(testForEachKey);
     verifyKeys(keysAfterBMove);
 
     clear();
-    map.getValues().forEach(testForEachValue);
+    map.values.forEach(testForEachValue);
     verifyValues(valuesAfterBMove);
 
     // Update.
@@ -99,11 +99,11 @@ class LinkedHashMapTest {
     verifyValues(valuesAfterAUpdate);
 
     clear();
-    map.getKeys().forEach(testForEachKey);
+    map.keys.forEach(testForEachKey);
     verifyKeys(keysAfterBMove);
 
     clear();
-    map.getValues().forEach(testForEachValue);
+    map.values.forEach(testForEachValue);
     verifyValues(valuesAfterAUpdate);
   }
 }