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

src/d8.cc

Index: src/d8.cc
diff --git a/src/d8.cc b/src/d8.cc
index f0d30a98d3411487100c38c8135ee2069ff4a800..aab710a5cbafe97e4fbd4e7c2e297c1c9a670b43 100644
--- a/src/d8.cc
+++ b/src/d8.cc
@@ -2169,6 +2169,10 @@ int Shell::RunMain(Isolate* isolate, int argc, char* argv[]) {
 
 int Shell::Main(int argc, char* argv[]) {
   if (!SetOptions(argc, argv)) return 1;
+#ifndef V8_SHARED
+  i::FLAG_harmony_array_buffer = true;
+  i::FLAG_harmony_typed_arrays = true;
+#endif
   int result = 0;
   Isolate* isolate = Isolate::GetCurrent();
   DumbLineEditor dumb_line_editor(isolate);