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

third_party/WebKit/Source/core/dom/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 "bindings/core/v8/ScriptWrappable.h"
 #include "core/dom/DOMTypedArray.h"
 #include "platform/heap/Handle.h"
@@ skipping 35 matching lines @@
     bool is2D() const;
     bool isIdentity() const;
 
     DOMMatrix* multiply(DOMMatrix*);
     DOMMatrix* translate(double tx, double ty, double tz = 0);
     DOMMatrix* scale(double scale, double ox = 0, double oy = 0);
     DOMMatrix* scale3d(double scale, double ox = 0, double oy = 0, double oz = 0);
     DOMMatrix* scaleNonUniform(double sx, double sy = 1, double sz = 1,
         double ox = 0, double oy = 0, double oz = 0);
 
-    DOMFloat32Array* toFloat32Array() const;
-    DOMFloat64Array* toFloat64Array() const;
+    PassRefPtr<DOMFloat32Array> toFloat32Array() const;
+    PassRefPtr<DOMFloat64Array> toFloat64Array() const;
 
     const TransformationMatrix& matrix() const { return *m_matrix; }
 
     DEFINE_INLINE_TRACE() { }
 
 protected:
     // TransformationMatrix needs to be 16-byte aligned. PartitionAlloc
     // supports 16-byte alignment but Oilpan doesn't. So we use an OwnPtr
     // to allocate TransformationMatrix on PartitionAlloc.
     // TODO(oilpan): Oilpan should support 16-byte aligned allocations.
     OwnPtr<TransformationMatrix> m_matrix;
     bool m_is2D;
 };
 
 } // namespace blink
 
 #endif