Extension API enterprise.platformKeys.

chrome/renderer/resources/extensions/enterprise_certificates_custom_bindings.js

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Custom binding for the webRequest API.
+
+var binding = require('binding').Binding.create('enterprise.certificates');
+var certificatesInternal =
+    require('binding')
+        .Binding.create('enterprise.certificatesInternal')
+        .generate();
+// var sendRequest = require('sendRequest').sendRequest;
+var getPrivateKeyNative =
+    requireNative('enterprise_certificates_natives').GetPrivateKey;
+
+binding.registerCustomHook(function(api) {
+  var apiFunctions = api.apiFunctions;
+
+  var keyFormat = 'pkcs8';
+  var ret = apiFunctions.setHandleRequest('importClientCertificate',
+                                          function(key, cert, token, callback) {
+    console.log('Try native export');
+    var rawKey = new Uint8Array(getPrivateKeyNative(key)).buffer;
+    try {
+      certificatesInternal.importClientCertificate(
+          rawKey, cert, token, callback);
+    }
+    catch (e) {
+      console.log('catched error: ' + e);
+    }
+    return true;
+  });
+  console.log(ret);
+});
+
+exports.binding = binding.generate();