Add new certificateProvider extension API.

chrome/test/data/extensions/api_test/certificate_provider/basic.js

+// Copyright 2015 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.
+
+'use strict';
+
+var assertEq = chrome.test.assertEq;
+var assertTrue = chrome.test.assertTrue;
+var succeed = chrome.test.succeed;
+var callbackPass = chrome.test.callbackPass;
+
+var data = {
+  // X.509 certificate in DER encoding issued by 'root.pem' which is set to be
+  // trusted by the test setup.
+  // Generated by create_test_certs.sh .
+  l1_leaf_cert: 'l1_leaf.der',
+
+  l1_leaf_key: 'l1_leaf.pk8',
+};
+
+// Reads the binary file at |path| and passes it as a Uin8Array to |callback|.
+function readFile(path, callback) {
+  var oReq = new XMLHttpRequest();
+  oReq.responseType = "arraybuffer";
+  oReq.open("GET", path, true /* asynchronous */);
+  oReq.onload = function() {
+    var arrayBuffer = oReq.response;
+    if (arrayBuffer) {
+      callback(new Uint8Array(arrayBuffer));
+    } else {
+      callback(null);
+    }
+  };
+  oReq.send(null);
+}
+
+// For each key in dictionary, replaces the path dictionary[key] by the content
+// of the resource located at that path stored in a Uint8Array.
+function readData(dictionary, callback) {
+  var keys = Object.keys(dictionary);
+  function recurse(index) {
+    if (index >= keys.length) {
+      callback();
+      return;
+    }
+    var key = keys[index];
+    var path = dictionary[key];
+    readFile(path, function(array) {
+      assertTrue(!!array);
+      dictionary[key] = array;
+      recurse(index + 1);
+    });
+  }
+
+  recurse(0);
+}
+
+function setUp(callback) {
+  readData(data, callback);
+}
+
+function test1() {
+  assertTrue(!!chrome.certificateProvider);
+  assertTrue(!!chrome.certificateProvider.publishClientCertificates);
+
+  var certInfo = {
+    certificate: data.l1_leaf_cert.buffer,
+    supportedHashes: ['SHA256']
+  };
+
+  chrome.certificateProvider.publishClientCertificates([certInfo],
+                                                       callbackPass());
+}
+
+function runTests() {
+ chrome.test.runTests([test1]);
+}
+
+setUp(runTests);