[SharedArrayBuffer] Prevent SharedArrayBuffer being used in Web APIs

third_party/WebKit/Source/modules/presentation/PresentationConnection.cpp

Index: third_party/WebKit/Source/modules/presentation/PresentationConnection.cpp
diff --git a/third_party/WebKit/Source/modules/presentation/PresentationConnection.cpp b/third_party/WebKit/Source/modules/presentation/PresentationConnection.cpp
index 46ce422078f9c23630977b5c4fc6712872a13bd6..8f563090d57ddb30561b264a7707d9be6e87fa59 100644
--- a/third_party/WebKit/Source/modules/presentation/PresentationConnection.cpp
+++ b/third_party/WebKit/Source/modules/presentation/PresentationConnection.cpp
@@ -280,13 +280,14 @@ void PresentationConnection::send(DOMArrayBuffer* arrayBuffer,
   handleMessageQueue();
 }
 
-void PresentationConnection::send(DOMArrayBufferView* arrayBufferView,
-                                  ExceptionState& exceptionState) {
-  ASSERT(arrayBufferView);
+void PresentationConnection::send(
+    const NotShared<DOMArrayBufferView>& arrayBufferView,
+    ExceptionState& exceptionState) {
+  DCHECK(arrayBufferView.view());
   if (!canSendMessage(exceptionState))
     return;
 
-  m_messages.push_back(new Message(arrayBufferView->buffer()));
+  m_messages.push_back(new Message(arrayBufferView.view()->buffer()));
   handleMessageQueue();
 }