import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

testing/web-platform/tests/WebIDL/invalid/idl/raises.widl

@@ -0,0 +1,18 @@
+// getraises and setraises are not longer valid Web IDL
+interface Person {
+
+  // An attribute that can raise an exception if it is set to an invalid value.
+  attribute DOMString name setraises (InvalidName);
+
+  // An attribute whose value cannot be assigned to, and which can raise an
+  // exception some circumstances.
+  readonly attribute DOMString petName getraises (NoSuchPet);
+};
+
+exception SomeException {
+};
+
+interface ExceptionThrower {
+  // This attribute always throws a SomeException and never returns a value.
+  attribute long valueOf getraises(SomeException);
+};