Revert of Preparation CL for WebRTC performance test using promise-based 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 <vector>
 
 #include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "chrome/browser/media/webrtc/test_stats_dictionary.h"
 #include "chrome/test/base/in_process_browser_test.h"
 
 namespace infobars {
 class InfoBar;
 }
 
 namespace content {
 class WebContents;
 }
 
@@ skipping 138 matching lines @@
   void OpenDatabase(content::WebContents* tab) const;
   void CloseDatabase(content::WebContents* tab) const;
   void DeleteDatabase(content::WebContents* tab) const;
 
   void GenerateAndCloneCertificate(content::WebContents* tab,
                                    const std::string& keygen_algorithm) const;
 
   void VerifyStatsGeneratedCallback(content::WebContents* tab) const;
   std::vector<std::string> VerifyStatsGeneratedPromise(
       content::WebContents* tab) const;
-  scoped_refptr<content::TestStatsReportDictionary> GetStatsReportDictionary(
-      content::WebContents* tab) const;
   std::vector<std::string> GetWhitelistedStatsTypes(
       content::WebContents* tab) const;
 
   // Change the default video codec in the offer SDP.
   void SetDefaultVideoCodec(content::WebContents* tab,
                             const std::string& video_codec) const;
 
   // Add 'usedtx=1' to the offer SDP.
   void EnableOpusDtx(content::WebContents* tab) const;
 
@@ skipping 12 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_