Reland of RTCVideoEncoder: Report H264 profile information to WebRTC

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>
 
@@ skipping 175 matching lines @@
       content::WebContents* tab) const;
   scoped_refptr<content::TestStatsReportDictionary> GetStatsReportDictionary(
       content::WebContents* tab) const;
   double MeasureGetStatsPerformance(content::WebContents* tab) const;
   std::vector<std::string> GetWhitelistedStatsTypes(
       content::WebContents* tab) const;
 
   // Change the default audio/video codec in the offer SDP.
   void SetDefaultAudioCodec(content::WebContents* tab,
                             const std::string& audio_codec) const;
+  // |prefer_hw_codec| controls if the first or last codec with name
+  // |video_codec| should be selected. External video codecs are currently at
+  // the end of the SDP list. This parameter only matters if there are multiple
+  // codecs with the same name, which can be the case for H264.
   void SetDefaultVideoCodec(content::WebContents* tab,
-                            const std::string& video_codec) const;
+                            const std::string& video_codec,
+                            bool prefer_hw_codec = false) const;
 
   // Add 'usedtx=1' to the offer SDP.
   void EnableOpusDtx(content::WebContents* tab) const;
 
   void CreateAndAddStreams(content::WebContents* tab, size_t count) const;
   void VerifyRtpSenders(content::WebContents* tab,
                         base::Optional<size_t> expected_num_tracks =
                             base::Optional<size_t>()) const;
   void VerifyRtpReceivers(content::WebContents* tab,
                           base::Optional<size_t> expected_num_tracks =
@@ skipping 37 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_