Revert of Move DOMArrayBuffer, DOMArrayBufferViews and DataView to the heap.

third_party/WebKit/Source/core/dom/DOMSharedArrayBuffer.h

Index: third_party/WebKit/Source/core/dom/DOMSharedArrayBuffer.h
diff --git a/third_party/WebKit/Source/core/dom/DOMSharedArrayBuffer.h b/third_party/WebKit/Source/core/dom/DOMSharedArrayBuffer.h
index 1b6572ed9e67e65a725701918a9075ace007cf9d..75900678626198a4289f02fe5b37d0ab9d9d6640 100644
--- a/third_party/WebKit/Source/core/dom/DOMSharedArrayBuffer.h
+++ b/third_party/WebKit/Source/core/dom/DOMSharedArrayBuffer.h
@@ -14,20 +14,20 @@
 class CORE_EXPORT DOMSharedArrayBuffer final : public DOMArrayBufferBase {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static DOMSharedArrayBuffer* create(PassRefPtr<WTF::ArrayBuffer> buffer)
+    static PassRefPtr<DOMSharedArrayBuffer> create(PassRefPtr<WTF::ArrayBuffer> buffer)
     {
         DCHECK(buffer->isShared());
-        return new DOMSharedArrayBuffer(buffer);
+        return adoptRef(new DOMSharedArrayBuffer(buffer));
     }
-    static DOMSharedArrayBuffer* create(unsigned numElements, unsigned elementByteSize)
+    static PassRefPtr<DOMSharedArrayBuffer> create(unsigned numElements, unsigned elementByteSize)
     {
         return create(WTF::ArrayBuffer::createShared(numElements, elementByteSize));
     }
-    static DOMSharedArrayBuffer* create(const void* source, unsigned byteLength)
+    static PassRefPtr<DOMSharedArrayBuffer> create(const void* source, unsigned byteLength)
     {
         return create(WTF::ArrayBuffer::createShared(source, byteLength));
     }
-    static DOMSharedArrayBuffer* create(WTF::ArrayBufferContents& contents)
+    static PassRefPtr<DOMSharedArrayBuffer> create(WTF::ArrayBufferContents& contents)
     {
         DCHECK(contents.isShared());
         return create(WTF::ArrayBuffer::create(contents));