[SharedArrayBuffer] Prevent SharedArrayBuffer being used in Web APIs

third_party/WebKit/Source/core/geometry/DOMMatrix.cpp

Index: third_party/WebKit/Source/core/geometry/DOMMatrix.cpp
diff --git a/third_party/WebKit/Source/core/geometry/DOMMatrix.cpp b/third_party/WebKit/Source/core/geometry/DOMMatrix.cpp
index 799107e0add538f027b79ce5939182fd056abc30..3dc15d7929111e2723e3f8769401a51ef0541f2a 100644
--- a/third_party/WebKit/Source/core/geometry/DOMMatrix.cpp
+++ b/third_party/WebKit/Source/core/geometry/DOMMatrix.cpp
@@ -39,26 +39,30 @@ DOMMatrix* DOMMatrix::Create(Vector<double> sequence,
   return new DOMMatrix(sequence, sequence.size());
 }
 
-DOMMatrix* DOMMatrix::fromFloat32Array(DOMFloat32Array* float32_array,
+DOMMatrix* DOMMatrix::fromFloat32Array(NotShared<DOMFloat32Array> float32_array,
                                        ExceptionState& exception_state) {
-  if (float32_array->length() != 6 && float32_array->length() != 16) {
+  if (float32_array.View()->length() != 6 &&
+      float32_array.View()->length() != 16) {
     exception_state.ThrowTypeError(
         "The sequence must contain 6 elements for a 2D matrix or 16 elements "
         "for a 3D matrix.");
     return nullptr;
   }
-  return new DOMMatrix(float32_array->Data(), float32_array->length());
+  return new DOMMatrix(float32_array.View()->Data(),
+                       float32_array.View()->length());
 }
 
-DOMMatrix* DOMMatrix::fromFloat64Array(DOMFloat64Array* float64_array,
+DOMMatrix* DOMMatrix::fromFloat64Array(NotShared<DOMFloat64Array> float64_array,
                                        ExceptionState& exception_state) {
-  if (float64_array->length() != 6 && float64_array->length() != 16) {
+  if (float64_array.View()->length() != 6 &&
+      float64_array.View()->length() != 16) {
     exception_state.ThrowTypeError(
         "The sequence must contain 6 elements for a 2D matrix or 16 elements "
         "for a 3D matrix.");
     return nullptr;
   }
-  return new DOMMatrix(float64_array->Data(), float64_array->length());
+  return new DOMMatrix(float64_array.View()->Data(),
+                       float64_array.View()->length());
 }
 
 template <typename T>