Add a ref-counted data holder to ArrayBufferContents

Source/bindings/tests/results/core/V8ArrayBuffer.cpp

Index: Source/bindings/tests/results/core/V8ArrayBuffer.cpp
diff --git a/Source/bindings/tests/results/core/V8ArrayBuffer.cpp b/Source/bindings/tests/results/core/V8ArrayBuffer.cpp
index a491e06ccea842c83a4c278c9a1bb7a46e705998..3dcf89d754c67d433ca5edf7675468e0afc473e9 100644
--- a/Source/bindings/tests/results/core/V8ArrayBuffer.cpp
+++ b/Source/bindings/tests/results/core/V8ArrayBuffer.cpp
@@ -46,7 +46,7 @@ TestArrayBuffer* V8ArrayBuffer::toImpl(v8::Local<v8::Object> object)
     // Transfer the ownership of the allocated memory to an ArrayBuffer without
     // copying.
     v8::ArrayBuffer::Contents v8Contents = v8buffer->Externalize();
-    WTF::ArrayBufferContents contents(v8Contents.Data(), v8Contents.ByteLength());
+    WTF::ArrayBufferContents contents(v8Contents.Data(), v8Contents.ByteLength(), WTF::ArrayBufferContents::NotShared);
     RefPtr<TestArrayBuffer> buffer = TestArrayBuffer::create(contents);
     buffer->associateWithWrapper(v8::Isolate::GetCurrent(), buffer->wrapperTypeInfo(), object);