Bluetooth API Permission Dialogs.

chrome/renderer/resources/extensions/permissions_custom_bindings.js

+// Copyright (c) 2012 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 bindings for the Permissions API.
+
+var chromeHidden = requireNative('chrome_hidden').GetChromeHidden();
+var sendRequest = require('sendRequest').sendRequest;
+var lastError = require('lastError');
+
+chromeHidden.registerCustomHook('permissions', function(api) {
+  var apiFunctions = api.apiFunctions;
+
+  apiFunctions.setUpdateArgumentsPreValidate('request',
+      function() {
+        if (arguments.length < 1)
+          return arguments;
+
+        var args = arguments[0].permissions;
+        if (!args)
+          return arguments;
+
+        for (var i = 0; i < args.length; i += 1) {
+          if (typeof(args[i]) == 'object') {
+            var a = args[i];
+            var keys = Object.keys(a);
+            if (keys.length != 1) {
+              throw new Error("Too many keys in object-style permission.");
+            }
+            arguments[0].permissions[i] = keys[0] + '|' + a[keys[0]];
+          }
+        }
+
+        return arguments;
+      });
+});