Remove duplicate code in SetPropertyPostInterceptor

src/objects.cc

 // Copyright 2013 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 "v8.h"
 
 #include "accessors.h"
 #include "allocation-site-scopes.h"
 #include "api.h"
 #include "arguments.h"
@@ skipping 2063 matching lines @@
     Handle<Object> value,
     PropertyAttributes attributes,
     StrictMode strict_mode) {
   // Check own property, ignore interceptor.
   Isolate* isolate = object->GetIsolate();
   LookupResult result(isolate);
   object->LookupOwnRealNamedProperty(name, &result);
   if (!result.IsFound()) {
     object->map()->LookupTransition(*object, *name, &result);
   }
-  if (result.IsFound()) {
-    // An existing property or a map transition was found. Use set property to
-    // handle all these cases.
-    return SetPropertyForResult(object, &result, name, value, attributes,
-                                strict_mode, MAY_BE_STORE_FROM_KEYED);
-  }
-  bool done = false;
-  Handle<Object> result_object;
-  ASSIGN_RETURN_ON_EXCEPTION(
-      isolate, result_object,
-      SetPropertyViaPrototypes(
-          object, name, value, attributes, strict_mode, &done),
-      Object);
-  if (done) return result_object;
-  // Add a new real property.
-  return AddProperty(object, name, value, attributes, strict_mode);
+  return SetPropertyForResult(object, &result, name, value, attributes,
+                              strict_mode, MAY_BE_STORE_FROM_KEYED);
 }
 
 
 static void ReplaceSlowProperty(Handle<JSObject> object,
                                 Handle<Name> name,
                                 Handle<Object> value,
                                 PropertyAttributes attributes) {
   NameDictionary* dictionary = object->property_dictionary();
   int old_index = dictionary->FindEntry(name);
   int new_enumeration_index = 0;  // 0 means "Use the next available index."
@@ skipping 15052 matching lines @@
 #define ERROR_MESSAGES_TEXTS(C, T) T,
   static const char* error_messages_[] = {
       ERROR_MESSAGES_LIST(ERROR_MESSAGES_TEXTS)
   };
 #undef ERROR_MESSAGES_TEXTS
   return error_messages_[reason];
 }
 
 
 } }  // namespace v8::internal