#0  0x00007f2a1066b2f5 in content::NPObjectProxy::NPInvokePrivate(_NPP*, NPObject*, bool, void*, _NPVariant const*, unsigned int, _NPVariant*) ()
No symbol table info available.
#1  0x00007f2a1066d86a in content::(anonymous namespace)::NPN_InvokeDefaultPatch(_NPP*, NPObject*, _NPVariant const*, unsigned int, _NPVariant*) ()
No symbol table info available.
#2  0x00007f29ff3021c3 in ?? ()
No symbol table info available.
#3  0x0000000000000000 in ?? ()
No symbol table info available.