Enable ES6 Map and Set by default

test/cctest/test-ordered-hash-table.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 20 matching lines @@
 
 #include "src/factory.h"
 #include "test/cctest/cctest.h"
 
 namespace {
 
 using namespace v8::internal;
 
 
 TEST(Set) {
-  i::FLAG_harmony_collections = true;
-
   LocalContext context;
   Isolate* isolate = CcTest::i_isolate();
   Factory* factory = isolate->factory();
   HandleScope scope(isolate);
   Handle<OrderedHashSet> ordered_set = factory->NewOrderedHashSet();
   CHECK_EQ(2, ordered_set->NumberOfBuckets());
   CHECK_EQ(0, ordered_set->NumberOfElements());
   CHECK_EQ(0, ordered_set->NumberOfDeletedElements());
 
   Handle<Map> map = factory->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize);
@@ skipping 45 matching lines @@
   ordered_set = OrderedHashSet::Remove(ordered_set, obj2, &was_present);
   CHECK(was_present);
   ordered_set = OrderedHashSet::Remove(ordered_set, obj3, &was_present);
   CHECK(was_present);
   CHECK_EQ(1, ordered_set->NumberOfElements());
   CHECK_EQ(2, ordered_set->NumberOfBuckets());
 }
 
 
 TEST(Map) {
-  i::FLAG_harmony_collections = true;
-
   LocalContext context;
   Isolate* isolate = CcTest::i_isolate();
   Factory* factory = isolate->factory();
   HandleScope scope(isolate);
   Handle<OrderedHashMap> ordered_map = factory->NewOrderedHashMap();
   CHECK_EQ(2, ordered_map->NumberOfBuckets());
   CHECK_EQ(0, ordered_map->NumberOfElements());
   CHECK_EQ(0, ordered_map->NumberOfDeletedElements());
 
   Handle<Map> map = factory->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize);
@@ skipping 45 matching lines @@
   ordered_map = OrderedHashMap::Remove(ordered_map, obj2, &was_present);
   CHECK(was_present);
   ordered_map = OrderedHashMap::Remove(ordered_map, obj3, &was_present);
   CHECK(was_present);
   CHECK_EQ(1, ordered_map->NumberOfElements());
   CHECK_EQ(2, ordered_map->NumberOfBuckets());
 }
 
 
 }