How to load Native Client Module manifest format (.nmf) in firefox extension background.js -


i developing extension supports native messaging firefox, want encrypt request/response while sending native application, achieve same, m trying embed securechannel.nmf (native client manifest format) file in background.js file of extension, not work , same works fine in chrome extension.

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securechannel.nmf file contains: 

{   "program": {     "portable": {       "pnacl-translate": {         "url": "securechannel.pexe"       },       "pnacl-debug": {         "url": "securechannel_unstripped.bc"       }     }   } }

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background.html

<!doctype html> <html> <head>     <title></title>     <meta http-equiv="content-type" content="text/html; charset=utf-8" />  </head> <body>     <div id="listenser">         <embed name="moto_native_cl" id="moto_native_cl" path="nacl" src="../nacl/securechannel.nmf" type="application/x-pnacl" />     </div>      <script src="../scripts/background.js"></script> </body> </html>

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i error: character encoding of framed document not declared. document may appear different if viewed without document framing it.

i have call in background.js var msg = nativeclient.naclmodule.postmessageandawaitresponse(makemessage('generateecdhkey', ''));

for call, throws error postmessageandawaitresponse not function.

can use same .nfm file m using chrome extension, if not, let me know alternative in firefox same.


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