Reland "Use C++ implementation of Object.definePropert{y,ies}"

test/cctest/test-api.cc

Index: test/cctest/test-api.cc
diff --git a/test/cctest/test-api.cc b/test/cctest/test-api.cc
index f8edb2b5a444304a99c35224a6e859442d9c039f..7d544251a4911ab1268fc3014961ca58302ebb7a 100644
--- a/test/cctest/test-api.cc
+++ b/test/cctest/test-api.cc
@@ -8727,10 +8727,12 @@ TEST(AccessControlES5) {
   CompileRun("other.accessible_prop = 42");
   CHECK_EQ(42, g_echo_value);
 
-  v8::Handle<Value> value;
-  CompileRun("Object.defineProperty(other, 'accessible_prop', {value: -1})");
-  value = CompileRun("other.accessible_prop == 42");
-  CHECK(value->IsTrue());
+  // [[DefineOwnProperty]] always throws for access-checked objects.
+  CHECK(
+      CompileRun("Object.defineProperty(other, 'accessible_prop', {value: 43})")
+          .IsEmpty());
+  CHECK(CompileRun("other.accessible_prop == 42")->IsTrue());
+  CHECK_EQ(42, g_echo_value);  // Make sure we didn't call the setter.
 }