Replace SetObjectProperty / DefineObjectProperty with less powerful alternatives where relevant.

src/bootstrapper.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/bootstrapper.h"
 
 #include "src/accessors.h"
 #include "src/api-natives.h"
 #include "src/base/utils/random-number-generator.h"
 #include "src/code-stubs.h"
@@ skipping 922 matching lines @@
   for (int i = 0; i < outdated_contexts->length(); ++i) {
     Context* context = Context::cast(outdated_contexts->get(i));
     // Assert that there is only one native context.
     DCHECK(!context->IsNativeContext() || context == *native_context());
     DCHECK_EQ(context->global_object(), *global_object_from_snapshot);
     context->set_global_object(*global_object);
   }
 
   static const PropertyAttributes attributes =
       static_cast<PropertyAttributes>(READ_ONLY | DONT_DELETE);
-  Runtime::DefineObjectProperty(builtins_global, factory()->global_string(),
-                                global_object, attributes).Assert();
+  JSObject::SetOwnPropertyIgnoreAttributes(builtins_global,
+                                           factory()->global_string(),
+                                           global_object, attributes).Assert();
   // Set up the reference from the global object to the builtins object.
   JSGlobalObject::cast(*global_object)->set_builtins(*builtins_global);
   TransferNamedProperties(global_object_from_snapshot, global_object);
   TransferIndexedProperties(global_object_from_snapshot, global_object);
 }
 
 
 // This is only called if we are not using snapshots.  The equivalent
 // work in the snapshot case is done in HookUpGlobalObject.
 void Genesis::InitializeGlobal(Handle<GlobalObject> global_object,
@@ skipping 2193 matching lines @@
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   DCHECK(!IsActive());
 }
 
 }  // namespace internal
 }  // namespace v8