Change return-type of SetDataProperty to Handle.

BUG=
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/494733005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23307 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/objects.cc

@@ -2932,8 +2932,8 @@ MaybeHandle<Object> Object::WriteToReadOnlyProperty(LookupIterator* it,
 }
 
 
-MaybeHandle<Object> Object::SetDataProperty(LookupIterator* it,
-                                            Handle<Object> value) {
+Handle<Object> Object::SetDataProperty(LookupIterator* it,
+                                       Handle<Object> value) {
   // Proxies are handled on the WithHandler path. Other non-JSObjects cannot
   // have own properties.
   Handle<JSObject> receiver = Handle<JSObject>::cast(it->GetReceiver());

src/objects.h

@@ -1486,8 +1486,8 @@ class Object {
       StoreFromKeyed store_mode);
   MUST_USE_RESULT static MaybeHandle<Object> WriteToReadOnlyProperty(
       LookupIterator* it, Handle<Object> value, StrictMode strict_mode);
-  MUST_USE_RESULT static MaybeHandle<Object> SetDataProperty(
-      LookupIterator* it, Handle<Object> value);
+  static Handle<Object> SetDataProperty(LookupIterator* it,
+                                        Handle<Object> value);
   MUST_USE_RESULT static MaybeHandle<Object> AddDataProperty(
       LookupIterator* it, Handle<Object> value, PropertyAttributes attributes,
       StrictMode strict_mode, StoreFromKeyed store_mode);