[SharedArrayBuffer] Prevent SharedArrayBuffer being used in Web APIs

third_party/WebKit/Source/modules/webaudio/AudioBuffer.h

 /*
  * Copyright (C) 2010 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
@@ skipping 13 matching lines @@
  * 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 AudioBuffer_h
 #define AudioBuffer_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/dom/DOMTypedArray.h"
+#include "core/dom/MaybeShared.h"
 #include "modules/ModulesExport.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 #include "wtf/Vector.h"
 #include "wtf/build_config.h"
 
 namespace blink {
 
 class AudioBus;
 class AudioBufferOptions;
@@ skipping 25 matching lines @@
   size_t length() const { return m_length; }
   double duration() const {
     return length() / static_cast<double>(sampleRate());
   }
   float sampleRate() const { return m_sampleRate; }
 
   // Channel data access
   unsigned numberOfChannels() const { return m_channels.size(); }
   DOMFloat32Array* getChannelData(unsigned channelIndex, ExceptionState&);
   DOMFloat32Array* getChannelData(unsigned channelIndex);
-  void copyFromChannel(DOMFloat32Array*, long channelNumber, ExceptionState&);
-  void copyFromChannel(DOMFloat32Array*,
+  void copyFromChannel(const MaybeShared<DOMFloat32Array>&,
+                       long channelNumber,
+                       ExceptionState&);
+  void copyFromChannel(const MaybeShared<DOMFloat32Array>&,
                        long channelNumber,
                        unsigned long startInChannel,
                        ExceptionState&);
-  void copyToChannel(DOMFloat32Array*, long channelNumber, ExceptionState&);
-  void copyToChannel(DOMFloat32Array*,
+  void copyToChannel(const MaybeShared<DOMFloat32Array>&,
+                     long channelNumber,
+                     ExceptionState&);
+  void copyToChannel(const MaybeShared<DOMFloat32Array>&,
                      long channelNumber,
                      unsigned long startInChannel,
                      ExceptionState&);
 
   void zero();
 
   DEFINE_INLINE_TRACE() { visitor->trace(m_channels); }
 
  private:
   explicit AudioBuffer(AudioBus*);
 
   static DOMFloat32Array* createFloat32ArrayOrNull(size_t length);
 
   AudioBuffer(unsigned numberOfChannels,
               size_t numberOfFrames,
               float sampleRate);
   bool createdSuccessfully(unsigned desiredNumberOfChannels) const;
 
   float m_sampleRate;
   size_t m_length;
 
   HeapVector<Member<DOMFloat32Array>> m_channels;
 };
 
 }  // namespace blink
 
 #endif  // AudioBuffer_h