Reland of RTCVideoEncoder: Report H264 profile information to WebRTC

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 23 matching lines @@
  */
 var gDefaultAudioCodec = null;
 
 /**
  * The default video codec that should be used when creating an offer.
  * @private
  */
 var gDefaultVideoCodec = null;
 
 /**
+ * Flag to indicate if HW or SW video codec is preferred.
+ * @private
+ */
+var gDefaultPreferHwVideoCodec = null;
+
+/**
  * Flag to indicate if Opus Dtx should be enabled.
  * @private
  */
 var gOpusDtx = false;
 
 /** @private */
 var gNegotiationNeededCount = 0;
 
 // Public interface to tests. These are expected to be called with
 // ExecuteJavascript invocations from the browser tests and will return answers
@@ skipping 61 matching lines @@
   returnToTest('ok');
 }
 
 /**
  * Sets the default video codec to be used when creating an offer and returns
  * "ok" to test.
  * @param {string} videoCodec promotes the specified codec to be the default
  *     video codec, e.g. the first one in the list on the 'm=video' SDP offer
  *     line. |videoCodec| is the case-sensitive codec name, e.g. 'VP8' or
  *     'H264'.
+ * @param {bool} preferHwVideoCodec specifies what codec to use from the
+ *     'm=video' line when there are multiple codecs with the name |videoCodec|.
+ *     If true, it will return the last codec with that name, and if false, it
+ *     will return the first codec with that name.
  */
-function setDefaultVideoCodec(videoCodec) {
+function setDefaultVideoCodec(videoCodec, preferHwVideoCodec) {
   gDefaultVideoCodec = videoCodec;
+  gDefaultPreferHwVideoCodec = preferHwVideoCodec;
   returnToTest('ok');
 }
 
 /**
  * Creates a data channel with the specified label.
  * Returns 'ok-created' to test.
  */
 function createDataChannel(label) {
   peerConnection_().createDataChannel(label);
   returnToTest('ok-created');
@@ skipping 11 matching lines @@
       function(localOffer) {
         success('createOffer');
 
         setLocalDescription(peerConnection, localOffer);
         if (gDefaultAudioCodec !== null) {
           localOffer.sdp = setSdpDefaultAudioCodec(localOffer.sdp,
                                                    gDefaultAudioCodec);
         }
         if (gDefaultVideoCodec !== null) {
           localOffer.sdp = setSdpDefaultVideoCodec(localOffer.sdp,
-                                                   gDefaultVideoCodec);
+                                                   gDefaultVideoCodec,
+                                                   gDefaultPreferHwVideoCodec);
         }
         if (gOpusDtx) {
           localOffer.sdp = setOpusDtxEnabled(localOffer.sdp);
         }
         returnToTest('ok-' + JSON.stringify(localOffer));
       },
       function(error) { failure('createOffer', error); },
       constraints);
 }
 
@@ skipping 370 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);
   }
 }