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[chromium-blink-merge.git] / gin / wrapper_info.cc
blob8e8f5b7c9e992b0d05ced03c082c7f7f7bb69d24
1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "gin/public/wrapper_info.h"
7 namespace gin {
9 WrapperInfo* WrapperInfo::From(v8::Local<v8::Object> object) {
10 if (object->InternalFieldCount() != kNumberOfInternalFields)
11 return NULL;
12 WrapperInfo* info = static_cast<WrapperInfo*>(
13 object->GetAlignedPointerFromInternalField(kWrapperInfoIndex));
14 return info->embedder == kEmbedderNativeGin ? info : NULL;
17 } // namespace gin