Bug 785574 - Add a script blocker in nsHTMLEditor::SetAttributeOrEquivalent; r=bzbarsky

editor/libeditor/html/nsHTMLEditor.cpp

@@ -4554,6 +4554,8 @@ nsHTMLEditor::SetAttributeOrEquivalent(nsIDOMElement * aElement,
                                        const nsAString & aValue,
                                        bool aSuppressTransaction)
 {
+  nsAutoScriptBlocker scriptBlocker;
+
   nsresult res = NS_OK;
   if (IsCSSEnabled() && mHTMLCSSUtils) {
     int32_t count;