[SharedArrayBuffer] Prevent SharedArrayBuffer being used in Web APIs

third_party/WebKit/Source/core/geometry/DOMMatrixReadOnly.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef DOMMatrixReadOnly_h
 #define DOMMatrixReadOnly_h
 
 #include <memory>
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/dom/DOMTypedArray.h"
+#include "core/dom/NotShared.h"
 #include "platform/heap/Handle.h"
 #include "platform/transforms/TransformationMatrix.h"
 
 namespace blink {
 
 class DOMMatrix;
 class DOMMatrixInit;
 class DOMPoint;
 class DOMPointInit;
 
 class CORE_EXPORT DOMMatrixReadOnly
     : public GarbageCollectedFinalized<DOMMatrixReadOnly>,
       public ScriptWrappable {
   DEFINE_WRAPPERTYPEINFO();
 
  public:
   static DOMMatrixReadOnly* Create(ExceptionState&);
   static DOMMatrixReadOnly* Create(const String&, ExceptionState&);
   static DOMMatrixReadOnly* Create(Vector<double>, ExceptionState&);
-  static DOMMatrixReadOnly* fromFloat32Array(DOMFloat32Array*, ExceptionState&);
-  static DOMMatrixReadOnly* fromFloat64Array(DOMFloat64Array*, ExceptionState&);
+  static DOMMatrixReadOnly* fromFloat32Array(NotShared<DOMFloat32Array>,
+                                             ExceptionState&);
+  static DOMMatrixReadOnly* fromFloat64Array(NotShared<DOMFloat64Array>,
+                                             ExceptionState&);
   static DOMMatrixReadOnly* fromMatrix(DOMMatrixInit&, ExceptionState&);
   virtual ~DOMMatrixReadOnly();
 
   double a() const { return matrix_->M11(); }
   double b() const { return matrix_->M12(); }
   double c() const { return matrix_->M21(); }
   double d() const { return matrix_->M22(); }
   double e() const { return matrix_->M41(); }
   double f() const { return matrix_->M42(); }
 
@@ skipping 39 matching lines @@
                              double z = 0,
                              double angle = 0);
   DOMMatrix* skewX(double sx);
   DOMMatrix* skewY(double sy);
   DOMMatrix* flipX();
   DOMMatrix* flipY();
   DOMMatrix* inverse();
 
   DOMPoint* transformPoint(const DOMPointInit&);
 
-  DOMFloat32Array* toFloat32Array() const;
-  DOMFloat64Array* toFloat64Array() const;
+  NotShared<DOMFloat32Array> toFloat32Array() const;
+  NotShared<DOMFloat64Array> toFloat64Array() const;
 
   const String toString() const;
 
   ScriptValue toJSONForBinding(ScriptState*) const;
 
   const TransformationMatrix& Matrix() const { return *matrix_; }
 
   DEFINE_INLINE_TRACE() {}
 
  protected:
@@ skipping 27 matching lines @@
   // supports 16-byte alignment but Oilpan doesn't. So we use an std::unique_ptr
   // to allocate TransformationMatrix on PartitionAlloc.
   // TODO(oilpan): Oilpan should support 16-byte aligned allocations.
   std::unique_ptr<TransformationMatrix> matrix_;
   bool is2d_;
 };
 
 }  // namespace blink
 
 #endif