allowMutationEvents  299 chrome/renderer/content_settings_observer.cc   return allowMutationEvents(default_value);
allowMutationEvents   77 chrome/renderer/content_settings_observer.h   virtual bool allowMutationEvents(blink::WebFrame* frame,
allowMutationEvents  109 chrome/renderer/content_settings_observer.h   virtual bool allowMutationEvents(bool default_value);