[SharedArrayBuffer] Prevent SharedArrayBuffer being used in Web APIs

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

 /*
  * 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 152 matching lines @@
   unsigned numberOfOutputChannels = outputBus->numberOfChannels();
 
   bool channelsAreGood = (numberOfInputChannels == m_numberOfInputChannels) &&
                          (numberOfOutputChannels == m_numberOfOutputChannels);
   DCHECK(channelsAreGood);
   if (!channelsAreGood)
     return;
 
   for (unsigned i = 0; i < numberOfInputChannels; ++i)
     m_internalInputBus->setChannelMemory(
-        i, inputBuffer->getChannelData(i)->data() + m_bufferReadWriteIndex,
+        i,
+        inputBuffer->getChannelData(i).view()->data() + m_bufferReadWriteIndex,
         framesToProcess);
 
   if (numberOfInputChannels)
     m_internalInputBus->copyFrom(*inputBus);
 
   // Copy from the output buffer to the output.
-  for (unsigned i = 0; i < numberOfOutputChannels; ++i)
-    memcpy(outputBus->channel(i)->mutableData(),
-           outputBuffer->getChannelData(i)->data() + m_bufferReadWriteIndex,
-           sizeof(float) * framesToProcess);
+  for (unsigned i = 0; i < numberOfOutputChannels; ++i) {
+    memcpy(
+        outputBus->channel(i)->mutableData(),
+        outputBuffer->getChannelData(i).view()->data() + m_bufferReadWriteIndex,
+        sizeof(float) * framesToProcess);
+  }
 
   // Update the buffering index.
   m_bufferReadWriteIndex =
       (m_bufferReadWriteIndex + framesToProcess) % bufferSize();
 
   // m_bufferReadWriteIndex will wrap back around to 0 when the current input
   // and output buffers are full.
   // When this happens, fire an event and swap buffers.
   if (!m_bufferReadWriteIndex) {
     // Avoid building up requests on the main thread to fire process events when
@@ skipping 289 matching lines @@
 
   // If |onaudioprocess| event handler is defined, the node should not be
   // GCed even if it is out of scope.
   if (hasEventListeners(EventTypeNames::audioprocess))
     return true;
 
   return false;
 }
 
 }  // namespace blink