Sharing of SharedArrayBuffer via PostMessage transfer

Source/core/dom/DOMArrayBufferBase.h

Index: Source/core/dom/DOMArrayBufferBase.h
diff --git a/Source/core/dom/DOMArrayBufferBase.h b/Source/core/dom/DOMArrayBufferBase.h
index c2863a7ecd3ecb1aa3104b565494670d8804e4fc..6c73bf546f8647c3f7d43f98a0ef96923de6c690 100644
--- a/Source/core/dom/DOMArrayBufferBase.h
+++ b/Source/core/dom/DOMArrayBufferBase.h
@@ -23,6 +23,7 @@ public:
     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(); }