[SharedArrayBuffer] Prevent SharedArrayBuffer being used in Web APIs

third_party/WebKit/Source/modules/webaudio/AudioParam.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
@@ skipping 449 matching lines @@
                                         ExceptionState& exceptionState) {
   warnIfOutsideRange("setTargetAtTime value", target);
   handler().timeline().setTargetAtTime(target, time, timeConstant,
                                        exceptionState);
 
   // Don't update the histogram here.  It's not clear in normal usage if the
   // parameter value will actually reach |target|.
   return this;
 }
 
-AudioParam* AudioParam::setValueCurveAtTime(DOMFloat32Array* curve,
-                                            double time,
-                                            double duration,
-                                            ExceptionState& exceptionState) {
-  float* curveData = curve->data();
+AudioParam* AudioParam::setValueCurveAtTime(
+    const NotShared<DOMFloat32Array>& curve,
+    double time,
+    double duration,
+    ExceptionState& exceptionState) {
+  float* curveData = curve.view()->data();
   float min = minValue();
   float max = maxValue();
 
   // First, find any non-finite value in the curve and throw an exception if
   // there are any.
-  for (unsigned k = 0; k < curve->length(); ++k) {
+  for (unsigned k = 0; k < curve.view()->length(); ++k) {
     float value = curveData[k];
 
     if (!std::isfinite(value)) {
       exceptionState.throwDOMException(
           V8TypeError, "The provided float value for the curve at element " +
                            String::number(k) + " is non-finite: " +
                            String::number(value));
       return nullptr;
     }
   }
 
   // Second, find the first value in the curve (if any) that is outside the
   // nominal range.  It's probably not necessary to produce a warning on every
   // value outside the nominal range.
-  for (unsigned k = 0; k < curve->length(); ++k) {
+  for (unsigned k = 0; k < curve.view()->length(); ++k) {
     float value = curveData[k];
 
     if (value < min || value > max) {
       warnIfOutsideRange("setValueCurveAtTime value", value);
       break;
     }
   }
 
-  handler().timeline().setValueCurveAtTime(curve, time, duration,
+  handler().timeline().setValueCurveAtTime(curve.view(), time, duration,
                                            exceptionState);
 
   // We could update the histogram with every value in the curve, due to
   // interpolation, we'll probably be missing many values.  So we don't update
   // the histogram.  setValueCurveAtTime is probably a fairly rare method
   // anyway.
   return this;
 }
 
 AudioParam* AudioParam::cancelScheduledValues(double startTime,
                                               ExceptionState& exceptionState) {
   handler().timeline().cancelScheduledValues(startTime, exceptionState);
   return this;
 }
 
 AudioParam* AudioParam::cancelAndHoldAtTime(double startTime,
                                             ExceptionState& exceptionState) {
   handler().timeline().cancelAndHoldAtTime(startTime, exceptionState);
   return this;
 }
 
 }  // namespace blink