Bug 1612007. Add convenience methods for throwing various spec-defined DOMExceptions on ErrorResult. r=smaug

Differential Revision: https://phabricator.services.mozilla.com/D61202
2020-01-29 09:09:11 +00:00
parent bc957e4f5a
commit a306daca09
3 changed files with 62 additions and 3 deletions
--- a/dom/base/DOMIntersectionObserver.cpp
+++ b/dom/base/DOMIntersectionObserver.cpp
@@ -83,8 +83,7 @@ already_AddRefed<DOMIntersectionObserver> DOMIntersectionObserver::Constructor(
  observer->mRoot = aOptions.mRoot;

  if (!observer->SetRootMargin(aOptions.mRootMargin)) {
-    aRv.ThrowDOMException(NS_ERROR_DOM_SYNTAX_ERR,
-                          "rootMargin must be specified in pixels or percent.");
+    aRv.ThrowSyntaxError("rootMargin must be specified in pixels or percent.");
    return nullptr;
  }