Reland of "WebRtcBrowserTest: Include all stats in getStats."

chrome/browser/media/webrtc/webrtc_browsertest_base.h

 // Copyright 2013 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.
 
 #ifndef CHROME_BROWSER_MEDIA_WEBRTC_WEBRTC_BROWSERTEST_BASE_H_
 #define CHROME_BROWSER_MEDIA_WEBRTC_WEBRTC_BROWSERTEST_BASE_H_
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 104 matching lines @@
   // Same as |SetupPeerconnectionWithLocalStream| except a certificate is
   // specified, which is a reference to an |RTCCertificate| object.
   void SetupPeerconnectionWithCertificateAndLocalStream(
       content::WebContents* tab,
       const std::string& certificate) const;
   // Same as above but does not add the local stream.
   void SetupPeerconnectionWithCertificateWithoutLocalStream(
       content::WebContents* tab,
       const std::string& certificate) const;
 
+  void CreateDataChannel(content::WebContents* tab, const std::string& label);
+
   // Exchanges offers and answers between the peer connections in the
   // respective tabs. Before calling this, you must have prepared peer
   // connections in both tabs and configured them as you like (for instance by
   // calling SetupPeerconnectionWithLocalStream).
   // If |video_codec| is not |kUseDefaultVideoCodec|, the SDP offer is modified
   // (and SDP answer verified) so that the specified video codec (case-sensitive
   // name) is used during the call instead of the default one.
   void NegotiateCall(content::WebContents* from_tab,
                      content::WebContents* to_tab) const;
 
@@ skipping 54 matching lines @@
   infobars::InfoBar* GetUserMediaAndWaitForInfoBar(
       content::WebContents* tab_contents,
       const std::string& constraints) const;
 
   bool detect_errors_in_javascript_;
 
   DISALLOW_COPY_AND_ASSIGN(WebRtcTestBase);
 };
 
 #endif  // CHROME_BROWSER_MEDIA_WEBRTC_WEBRTC_BROWSERTEST_BASE_H_