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 65a768046d76d5516bedc6bf290d57587a7488f1..8618140d2b6e1e396d43205aacf9fa33754b8177 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(); }