Enable native implementation of array buffer and typed arrays in d8 and tests.

test/cctest/cctest.cc

Index: test/cctest/cctest.cc
diff --git a/test/cctest/cctest.cc b/test/cctest/cctest.cc
index 1cdaca440cfc34a1870d4be3526b58b013415ebc..5507ac6f31a89cee76cd815f6c98cd59015052fa 100644
--- a/test/cctest/cctest.cc
+++ b/test/cctest/cctest.cc
@@ -98,6 +98,8 @@ v8::Isolate* CcTest::default_isolate_;
 
 int main(int argc, char* argv[]) {
   v8::internal::FlagList::SetFlagsFromCommandLine(&argc, argv, true);
+  v8::internal::FLAG_harmony_array_buffer = true;
+  v8::internal::FLAG_harmony_typed_arrays = true;
   CcTest::set_default_isolate(v8::Isolate::GetCurrent());
   CHECK(CcTest::default_isolate() != NULL);
   int tests_run = 0;