[SharedArrayBuffer] Prevent SharedArrayBuffer being used in Web APIs

third_party/WebKit/LayoutTests/webmidi/send-messages.html

Index: third_party/WebKit/LayoutTests/webmidi/send-messages.html
diff --git a/third_party/WebKit/LayoutTests/webmidi/send-messages.html b/third_party/WebKit/LayoutTests/webmidi/send-messages.html
index 2073dce820b1b02274b9a3e1cd679712dfba50f5..53d936738bed33a90adb5ca06430ce209c34a8ad 100644
--- a/third_party/WebKit/LayoutTests/webmidi/send-messages.html
+++ b/third_party/WebKit/LayoutTests/webmidi/send-messages.html
@@ -98,6 +98,11 @@ Promise.all([PermissionsHelper.setPermission('midi', 'granted'),
     shouldThrow('output.send(new Uint8Array(), NaN)');
     shouldThrow('output.send(new Uint8Array(), Infinity)');
 
+    if (window.SharedArrayBuffer) {
+        shouldThrow('output.send(new Uint8Array(new SharedArrayBuffer(4)))');
+        shouldThrow('output.send(new Uint8Array(new SharedArrayBuffer(4), 0))');
+    }
+
     finishJSTest();
 }).catch(function () {
     testFailed("requestMIDIAccess() return an error.");