[SharedArrayBuffer] Prevent SharedArrayBuffer being used in Web APIs

third_party/WebKit/Source/modules/encoding/TextEncoder.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef TextEncoder_h
 #define TextEncoder_h
 
+#include <memory>
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/dom/DOMTypedArray.h"
+#include "core/dom/NotShared.h"
 #include "platform/heap/Handle.h"
 #include "wtf/text/TextCodec.h"
 #include "wtf/text/TextEncoding.h"
 #include "wtf/text/WTFString.h"
-#include <memory>
 
 namespace blink {
 
 class ExecutionContext;
 class ExceptionState;
 
 class TextEncoder final : public GarbageCollectedFinalized<TextEncoder>,
                           public ScriptWrappable {
   DEFINE_WRAPPERTYPEINFO();
 
  public:
   static TextEncoder* Create(ExecutionContext*, ExceptionState&);
   ~TextEncoder();
 
   // Implement the IDL
   String encoding() const;
-  DOMUint8Array* encode(const String&);
+  NotShared<DOMUint8Array> encode(const String&);
 
   DEFINE_INLINE_TRACE() {}
 
  private:
   TextEncoder(const WTF::TextEncoding&);
 
   WTF::TextEncoding encoding_;
   std::unique_ptr<WTF::TextCodec> codec_;
 };
 
 }  // namespace blink
 
 #endif  // TextEncoder_h