Bug 1436743 - Dispatch events via the docgroup rather than the tabgroup when possible. r=mystor

2018-02-08 15:54:00 -05:00
parent d7f5390591
commit d169301c59
8 changed files with 28 additions and 13 deletions
--- a/dom/script/ScriptLoader.cpp
+++ b/dom/script/ScriptLoader.cpp
@@ -1376,10 +1376,15 @@ ScriptLoader::ProcessExternalScript(nsIScriptElement* aElement,
      ReportErrorToConsole(request, rv);

      // Asynchronously report the load failure
-      NS_DispatchToCurrentThread(
+      nsCOMPtr<nsIRunnable> runnable =
        NewRunnableMethod("nsIScriptElement::FireErrorEvent",
                          aElement,
-                          &nsIScriptElement::FireErrorEvent));
+                          &nsIScriptElement::FireErrorEvent);
+      if (mDocument) {
+        mDocument->Dispatch(TaskCategory::Other, runnable.forget());
+      } else {
+        NS_DispatchToCurrentThread(runnable);
+      }
      return false;
    }
  }