[SharedArrayBuffer] Prevent SharedArrayBuffer being used in Web APIs

third_party/WebKit/Source/modules/webaudio/WaveShaperNode.cpp

 /*
  * Copyright (C) 2011, 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:
  * 1.  Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 74 matching lines @@
     exception_state.ThrowDOMException(
         kInvalidAccessError,
         ExceptionMessages::IndexExceedsMinimumBound<unsigned>("curve length",
                                                               curve_length, 2));
     return;
   }
 
   GetWaveShaperProcessor()->SetCurve(curve_data, curve_length);
 }
 
-void WaveShaperNode::setCurve(DOMFloat32Array* curve,
+void WaveShaperNode::setCurve(NotShared<DOMFloat32Array> curve,
                               ExceptionState& exception_state) {
   DCHECK(IsMainThread());
 
   if (curve)
-    SetCurveImpl(curve->Data(), curve->length(), exception_state);
+    SetCurveImpl(curve.View()->Data(), curve.View()->length(), exception_state);
   else
     SetCurveImpl(nullptr, 0, exception_state);
 }
 
 void WaveShaperNode::setCurve(const Vector<float>& curve,
                               ExceptionState& exception_state) {
   DCHECK(IsMainThread());
 
   SetCurveImpl(curve.Data(), curve.size(), exception_state);
 }
 
-DOMFloat32Array* WaveShaperNode::curve() {
+NotShared<DOMFloat32Array> WaveShaperNode::curve() {
   Vector<float>* curve = GetWaveShaperProcessor()->Curve();
   if (!curve)
-    return nullptr;
+    return NotShared<DOMFloat32Array>(nullptr);
 
   unsigned size = curve->size();
   RefPtr<WTF::Float32Array> new_curve = WTF::Float32Array::Create(size);
 
   memcpy(new_curve->Data(), curve->Data(), sizeof(float) * size);
 
-  return DOMFloat32Array::Create(new_curve.Release());
+  return NotShared<DOMFloat32Array>(
+      DOMFloat32Array::Create(new_curve.Release()));
 }
 
 void WaveShaperNode::setOversample(const String& type) {
   DCHECK(IsMainThread());
 
   // This is to synchronize with the changes made in
   // AudioBasicProcessorNode::checkNumberOfChannelsForInput() where we can
   // initialize() and uninitialize().
   BaseAudioContext::AutoLocker context_locker(context());
 
@@ skipping 19 matching lines @@
       return "2x";
     case WaveShaperProcessor::kOverSample4x:
       return "4x";
     default:
       ASSERT_NOT_REACHED();
       return "none";
   }
 }
 
 }  // namespace blink