Implement Object.prototype.hasOwnProperty in generated code.

src/runtime.cc

Index: src/runtime.cc
diff --git a/src/runtime.cc b/src/runtime.cc
index 117e5ab36f6f7b7743ea43ef2e666220ee090e23..c7ec871e8fb30e158a25662e9c4d65e574337fdb 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -4246,9 +4246,9 @@ RUNTIME_FUNCTION(MaybeObject*, Runtime_DeleteProperty) {
 }
 
 
-static Object* HasLocalPropertyImplementation(Isolate* isolate,
-                                              Handle<JSObject> object,
-                                              Handle<String> key) {
+static Object* HasOwnPropertyImplementation(Isolate* isolate,
+                                            Handle<JSObject> object,
+                                            Handle<String> key) {
   if (object->HasLocalProperty(*key)) return isolate->heap()->true_value();
   // Handle hidden prototypes.  If there's a hidden prototype above this thing
   // then we have to check it for properties, because they are supposed to
@@ -4256,15 +4256,15 @@ static Object* HasLocalPropertyImplementation(Isolate* isolate,
   Handle<Object> proto(object->GetPrototype());
   if (proto->IsJSObject() &&
       Handle<JSObject>::cast(proto)->map()->is_hidden_prototype()) {
-    return HasLocalPropertyImplementation(isolate,
-                                          Handle<JSObject>::cast(proto),
-                                          key);
+    return HasOwnPropertyImplementation(isolate,
+                                        Handle<JSObject>::cast(proto),
+                                        key);
   }
   return isolate->heap()->false_value();
 }
 
 
-RUNTIME_FUNCTION(MaybeObject*, Runtime_HasLocalProperty) {
+RUNTIME_FUNCTION(MaybeObject*, Runtime_HasOwnProperty) {
   NoHandleAllocation ha;
   ASSERT(args.length() == 2);
   CONVERT_CHECKED(String, key, args[1]);
@@ -4288,9 +4288,9 @@ RUNTIME_FUNCTION(MaybeObject*, Runtime_HasLocalProperty) {
     }
     // Slow case.
     HandleScope scope(isolate);
-    return HasLocalPropertyImplementation(isolate,
-                                          Handle<JSObject>(object),
-                                          Handle<String>(key));
+    return HasOwnPropertyImplementation(isolate,
+                                        Handle<JSObject>(object),
+                                        Handle<String>(key));
   } else if (obj->IsString() && key_is_array_index) {
     // Well, there is one exception:  Handle [] on strings.
     String* string = String::cast(obj);