RTCCertificate.getFingerprints added (exposed to the web)

chrome/test/data/webrtc/peerconnection.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.
  */
 
 /**
  * The one and only peer connection in this page.
  * @private
  */
@@ skipping 228 matching lines @@
     if (gDefaultVideoCodec !== defaultVideoCodec) {
       failure('verifyDefaultCodecs',
                'Expected default video codec ' + gDefaultVideoCodec +
                ', got ' + defaultVideoCodec + '.');
     }
   }
   returnToTest('ok-verified');
 }
 
 /**
+ * Verifies that the peer connection's local description contains one of
+ * |certificate|'s fingerprints.
+ *
+ * Returns 'ok-verified' on success.
+ */
+function verifyLocalDescriptionContainsCertificate(certificate) {
+  let localDescription = peerConnection_().localDescription;
+  if (localDescription == null)
+    throw failTest('localDescription is null.');
+  for (let i = 0; i < certificate.fingerprints.length; ++i) {
+    let fingerprintSdp = 'a=fingerprint:' +
+        certificate.fingerprints[i].algorithm + ' ' +
+        certificate.fingerprints[i].value;
+    if (localDescription.sdp.includes(fingerprintSdp)) {
+      returnToTest('ok-verified');
+      return;
+    }
+  }
+  if (!localDescription.sdp.includes('a=fingerprint'))
+    throw failTest('localDescription does not contain any fingerprints.');
+  throw failTest('Certificate fingerprint not found in localDescription.');
+}
+
+/**
  * Asks this page to accept an answer generated by the peer in response to a
  * previous offer by this page
  *
  * Returns a string ok-accepted-answer on success.
  *
  * @param {!string} sessionDescJson A JSON-encoded session description of type
  *     'answer'.
  */
 function receiveAnswerFromPeer(sessionDescJson) {
   answer = parseJson_(sessionDescJson);
@@ skipping 238 matching lines @@
 function parseJson_(json) {
   // Escape since the \r\n in the SDP tend to get unescaped.
   jsonWithEscapedLineBreaks = json.replace(/\r\n/g, '\\r\\n');
   try {
     return JSON.parse(jsonWithEscapedLineBreaks);
   } catch (exception) {
     failTest('Failed to parse JSON: ' + jsonWithEscapedLineBreaks + ', got ' +
              exception);
   }
 }