Allow IO thread usage in WebRTC browsertests

chrome/browser/media/webrtc/webrtc_video_quality_browsertest.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 <stddef.h>
 
 #include "base/base64.h"
 #include "base/command_line.h"
 #include "base/environment.h"
 #include "base/files/file.h"
@@ skipping 21 matching lines @@
 #include "content/public/browser/notification_service.h"
 #include "content/public/common/feature_h264_with_openh264_ffmpeg.h"
 #include "content/public/common/features.h"
 #include "content/public/test/browser_test_utils.h"
 #include "media/base/media_switches.h"
 #include "net/test/embedded_test_server/embedded_test_server.h"
 #include "net/test/python_utils.h"
 #include "testing/perf/perf_test.h"
 #include "ui/gl/gl_switches.h"
 
+#if defined(OS_MACOSX)
+#include "base/threading/thread_restrictions.h"
+#endif  // defined(OS_MACOSX)
+
 namespace {
 std::string MakeLabel(const char* test_name, const std::string& video_codec) {
   std::string codec_label = video_codec.empty() ? "" : "_" + video_codec;
   return base::StringPrintf("%s%s", test_name, codec_label.c_str());
 }
 }  // namespace
 
 static const base::FilePath::CharType kFrameAnalyzerExecutable[] =
 #if defined(OS_WIN)
     FILE_PATH_LITERAL("frame_analyzer.exe");
@@ skipping 285 matching lines @@
   base::ScopedTempDir temp_working_dir_;
 };
 
 INSTANTIATE_TEST_CASE_P(
     WebRtcVideoQualityBrowserTests,
     WebRtcVideoQualityBrowserTest,
     testing::ValuesIn(kVideoConfigurations));
 
 IN_PROC_BROWSER_TEST_P(WebRtcVideoQualityBrowserTest,
                        MANUAL_TestVideoQualityVp8) {
+// crbug.com/684680
+#if defined(OS_MACOSX)
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
+#endif  // defined(OS_MACOSX)
   TestVideoQuality("VP8");
 }
 
 IN_PROC_BROWSER_TEST_P(WebRtcVideoQualityBrowserTest,
                        MANUAL_TestVideoQualityVp9) {
+// crbug.com/684680
+#if defined(OS_MACOSX)
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
+#endif  // defined(OS_MACOSX)
   TestVideoQuality("VP9");
 }
 
 #if BUILDFLAG(RTC_USE_H264)
 
 IN_PROC_BROWSER_TEST_P(WebRtcVideoQualityBrowserTest,
                        MANUAL_TestVideoQualityH264) {
+// crbug.com/684680
+#if defined(OS_MACOSX)
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
+#endif  // defined(OS_MACOSX)
   // Only run test if run-time feature corresponding to |rtc_use_h264| is on.
   if (!base::FeatureList::IsEnabled(content::kWebRtcH264WithOpenH264FFmpeg)) {
     LOG(WARNING) << "Run-time feature WebRTC-H264WithOpenH264FFmpeg disabled. "
         "Skipping WebRtcVideoQualityBrowserTest.MANUAL_TestVideoQualityH264 "
         "(test \"OK\")";
     return;
   }
   TestVideoQuality("H264");
 }
 
 #endif  // BUILDFLAG(RTC_USE_H264)