WebRTC: Use the MediaStream Recording API for the audio_quality_browsertest.

chrome/browser/media/webrtc/webrtc_browsertest_common.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_COMMON_H_
 #define CHROME_BROWSER_MEDIA_WEBRTC_WEBRTC_BROWSERTEST_COMMON_H_
 
 #include <string>
 
 #include "base/files/file_path.h"
@@ skipping 44 matching lines @@
 // TODO(phoglund): Consider a better interaction method with the javascript
 // than polling javascript methods.
 bool PollingWaitUntil(const std::string& javascript,
                       const std::string& evaluates_to,
                       content::WebContents* tab_contents);
 bool PollingWaitUntil(const std::string& javascript,
                       const std::string& evaluates_to,
                       content::WebContents* tab_contents,
                       int poll_interval_msec);
 
+// Same as above but we assume the message is a boolean type, thus we wait until
+// executing |javascript| sends a 'true' message.
+bool PollingWaitUntil(const std::string& javascript,
+                      content::WebContents* tab_contents,
+                      int poll_interval_msec);
+
 }  // namespace test
 
 #endif  // CHROME_BROWSER_MEDIA_WEBRTC_WEBRTC_BROWSERTEST_COMMON_H_