IsInstanceOf      324 content/renderer/pepper/plugin_object.cc bool PluginObject::IsInstanceOf(NPObject* np_object,
IsInstanceOf      231 ppapi/proxy/ppb_var_deprecated_proxy.cc bool IsInstanceOf(PP_Var var,
IsInstanceOf      231 ppapi/proxy/ppp_class_proxy.cc PP_Bool PPP_Class_Proxy::IsInstanceOf(const PPB_Var_Deprecated* ppb_var_impl,