Sharing of SharedArrayBuffer via PostMessage transfer

Source/core/dom/DOMArrayBufferBase.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef DOMArrayBufferBase_h
 #define DOMArrayBufferBase_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/CoreExport.h"
 #include "wtf/ArrayBuffer.h"
 #include "wtf/RefCounted.h"
 
 namespace blink {
 
 class CORE_EXPORT DOMArrayBufferBase : public RefCounted<DOMArrayBufferBase>, public ScriptWrappable {
 public:
     virtual ~DOMArrayBufferBase() { }
 
     const WTF::ArrayBuffer* buffer() const { return m_buffer.get(); }
     WTF::ArrayBuffer* buffer() { return m_buffer.get(); }
 
     const void* data() const { return buffer()->data(); }
     void* data() { return buffer()->data(); }
     unsigned byteLength() const { return buffer()->byteLength(); }
     bool transfer(WTF::ArrayBufferContents& result) { return buffer()->transfer(result); }
+    bool shareContentsWith(WTF::ArrayBufferContents& result) { return buffer()->shareContentsWith(result); }
     bool isNeutered() const { return buffer()->isNeutered(); }
     bool isShared() const { return buffer()->isShared(); }
 
     v8::Local<v8::Object> wrap(v8::Isolate*, v8::Local<v8::Object> creationContext) override
     {
         ASSERT_NOT_REACHED();
         return v8::Local<v8::Object>();
     }
 
     v8::Local<v8::Object> associateWithWrapper(v8::Isolate*, const WrapperTypeInfo*, v8::Local<v8::Object> wrapper) override
     {
         ASSERT_NOT_REACHED();
         return v8::Local<v8::Object>();
     }
 
 protected:
     explicit DOMArrayBufferBase(PassRefPtr<WTF::ArrayBuffer> buffer)
         : m_buffer(buffer)
     {
         ASSERT(m_buffer);
     }
 
     RefPtr<WTF::ArrayBuffer> m_buffer;
 };
 
 } // namespace blink
 
 #endif // DOMArrayBuffer_h