Bug 1417494 - Take iframe sandboxing into account for <noscript> parsing. r=bz

MozReview-Commit-ID: GTUCSQq5aDm

parser/html/nsHtml5TreeOpExecutor.cpp

@@ -649,16 +649,11 @@ nsHtml5TreeOpExecutor::IsScriptEnabled()
   // Note that if we have no document or no docshell or no global or whatnot we
   // want to claim script _is_ enabled, so we don't parse the contents of
   // <noscript> tags!
-  if (!mDocument || !mDocShell)
+  if (!mDocument || !mDocShell) {
     return true;
-  nsCOMPtr<nsIScriptGlobalObject> globalObject = do_QueryInterface(mDocument->GetInnerWindow());
-  // Getting context is tricky if the document hasn't had its
-  // GlobalObject set yet
-  if (!globalObject) {
-    globalObject = mDocShell->GetScriptGlobalObject();
   }
-  NS_ENSURE_TRUE(globalObject && globalObject->GetGlobalJSObject(), true);
-  return xpc::Scriptability::Get(globalObject->GetGlobalJSObject()).Allowed();
+
+  return mDocument->IsScriptEnabled();
 }
 
 void