WIP: Add Firefox interop tests for different formats.

chrome/browser/media/webrtc/webrtc_browsertest_base.cc

 // 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.
 
 #include "chrome/browser/media/webrtc/webrtc_browsertest_base.h"
 
 #include <stddef.h>
 
 #include <limits>
 
@@ skipping 441 matching lines @@
 }
 
 bool WebRtcTestBase::WaitForVideoToPlay(
     content::WebContents* tab_contents) const {
   bool is_video_playing = test::PollingWaitUntil(
       "isVideoPlaying()", "video-playing", tab_contents);
   EXPECT_TRUE(is_video_playing);
   return is_video_playing;
 }
 
+void WebRtcTestBase::CheckVideoFormat(content::WebContents* tab_contents,
+                                      std::string const& format) const {
+  std::string javascript =
+      base::StringPrintf("checkVideoFormat('%s')", format.c_str());
+  EXPECT_EQ("ok-correct-format", ExecuteJavascript(javascript, tab_contents));
+}
+
 std::string WebRtcTestBase::GetStreamSize(
     content::WebContents* tab_contents,
     const std::string& video_element) const {
   std::string javascript =
       base::StringPrintf("getStreamSize('%s')", video_element.c_str());
   std::string result = ExecuteJavascript(javascript, tab_contents);
   EXPECT_TRUE(base::StartsWith(result, "ok-", base::CompareCase::SENSITIVE));
   return result.substr(3);
 }
 
@@ skipping 116 matching lines @@
 
 void WebRtcTestBase::VerifyRtpReceivers(
     content::WebContents* tab,
     base::Optional<size_t> expected_num_tracks) const {
   std::string javascript =
       expected_num_tracks ? "verifyRtpReceivers(" +
                                 base::SizeTToString(*expected_num_tracks) + ")"
                           : "verifyRtpReceivers()";
   EXPECT_EQ("ok-receivers-verified", ExecuteJavascript(javascript, tab));
 }