[SharedArrayBuffer] Prevent SharedArrayBuffer being used in Web APIs

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

Index: third_party/WebKit/Source/modules/webaudio/IIRFilterNode.cpp
diff --git a/third_party/WebKit/Source/modules/webaudio/IIRFilterNode.cpp b/third_party/WebKit/Source/modules/webaudio/IIRFilterNode.cpp
index d8e5c2ed20de0550fcad33431d9c66c1cbb30e42..a155d23a2c8fd5f20440a3a24bd94737b598e0fb 100644
--- a/third_party/WebKit/Source/modules/webaudio/IIRFilterNode.cpp
+++ b/third_party/WebKit/Source/modules/webaudio/IIRFilterNode.cpp
@@ -149,49 +149,52 @@ IIRProcessor* IIRFilterNode::iirProcessor() const {
       static_cast<AudioBasicProcessorHandler&>(handler()).processor());
 }
 
-void IIRFilterNode::getFrequencyResponse(const DOMFloat32Array* frequencyHz,
-                                         DOMFloat32Array* magResponse,
-                                         DOMFloat32Array* phaseResponse,
-                                         ExceptionState& exceptionState) {
-  if (!frequencyHz) {
+void IIRFilterNode::getFrequencyResponse(
+    const NotShared<const DOMFloat32Array>& frequencyHz,
+    const NotShared<DOMFloat32Array>& magResponse,
+    const NotShared<DOMFloat32Array>& phaseResponse,
+    ExceptionState& exceptionState) {
+  if (!frequencyHz.view()) {
     exceptionState.throwDOMException(NotSupportedError,
                                      "frequencyHz array cannot be null");
     return;
   }
 
-  if (!magResponse) {
+  if (!magResponse.view()) {
     exceptionState.throwDOMException(NotSupportedError,
                                      "magResponse array cannot be null");
     return;
   }
 
-  if (!phaseResponse) {
+  if (!phaseResponse.view()) {
     exceptionState.throwDOMException(NotSupportedError,
                                      "phaseResponse array cannot be null");
     return;
   }
 
-  unsigned frequencyHzLength = frequencyHz->length();
+  unsigned frequencyHzLength = frequencyHz.view()->length();
 
-  if (magResponse->length() < frequencyHzLength) {
+  if (magResponse.view()->length() < frequencyHzLength) {
     exceptionState.throwDOMException(
         NotSupportedError,
         ExceptionMessages::indexExceedsMinimumBound(
-            "magResponse length", magResponse->length(), frequencyHzLength));
+            "magResponse length", magResponse.view()->length(),
+            frequencyHzLength));
     return;
   }
 
-  if (phaseResponse->length() < frequencyHzLength) {
+  if (phaseResponse.view()->length() < frequencyHzLength) {
     exceptionState.throwDOMException(
-        NotSupportedError, ExceptionMessages::indexExceedsMinimumBound(
-                               "phaseResponse length", phaseResponse->length(),
-                               frequencyHzLength));
+        NotSupportedError,
+        ExceptionMessages::indexExceedsMinimumBound(
+            "phaseResponse length", phaseResponse.view()->length(),
+            frequencyHzLength));
     return;
   }
 
-  iirProcessor()->getFrequencyResponse(frequencyHzLength, frequencyHz->data(),
-                                       magResponse->data(),
-                                       phaseResponse->data());
+  iirProcessor()->getFrequencyResponse(
+      frequencyHzLength, frequencyHz.view()->data(), magResponse.view()->data(),
+      phaseResponse.view()->data());
 }
 
 }  // namespace blink