Allow IO thread usage in WebRTC browsertests

chrome/browser/media/webrtc/webrtc_stats_perf_browsertest.cc

Index: chrome/browser/media/webrtc/webrtc_stats_perf_browsertest.cc
diff --git a/chrome/browser/media/webrtc/webrtc_stats_perf_browsertest.cc b/chrome/browser/media/webrtc/webrtc_stats_perf_browsertest.cc
index d3074e8fd76593d6be89178af0d83b1fc4de9ab4..b5d058b4ed151c09d99eb29d5acbb1227b141286 100644
--- a/chrome/browser/media/webrtc/webrtc_stats_perf_browsertest.cc
+++ b/chrome/browser/media/webrtc/webrtc_stats_perf_browsertest.cc
@@ -15,6 +15,10 @@
 #include "media/base/media_switches.h"
 #include "testing/perf/perf_test.h"
 
+#if defined(OS_MACOSX)
+#include "base/threading/thread_restrictions.h"
+#endif  // defined(OS_MACOSX)
+
 namespace content {
 
 namespace {
@@ -232,42 +236,70 @@ class WebRtcStatsPerfBrowserTest : public WebRtcTestBase {
 IN_PROC_BROWSER_TEST_F(
     WebRtcStatsPerfBrowserTest,
     MANUAL_RunsAudioAndVideoCallCollectingMetrics_AudioCodec_opus) {
+// crbug.com/684680
+#if defined(OS_MACOSX)
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
+#endif  // defined(OS_MACOSX)
   RunsAudioAndVideoCallCollectingMetrics("opus", kUseDefaultVideoCodec);
 }
 
 IN_PROC_BROWSER_TEST_F(
     WebRtcStatsPerfBrowserTest,
     MANUAL_RunsAudioAndVideoCallCollectingMetrics_AudioCodec_ISAC) {
+// crbug.com/684680
+#if defined(OS_MACOSX)
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
+#endif  // defined(OS_MACOSX)
   RunsAudioAndVideoCallCollectingMetrics("ISAC", kUseDefaultVideoCodec);
 }
 
 IN_PROC_BROWSER_TEST_F(
     WebRtcStatsPerfBrowserTest,
     MANUAL_RunsAudioAndVideoCallCollectingMetrics_AudioCodec_G722) {
+// crbug.com/684680
+#if defined(OS_MACOSX)
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
+#endif  // defined(OS_MACOSX)
   RunsAudioAndVideoCallCollectingMetrics("G722", kUseDefaultVideoCodec);
 }
 
 IN_PROC_BROWSER_TEST_F(
     WebRtcStatsPerfBrowserTest,
     MANUAL_RunsAudioAndVideoCallCollectingMetrics_AudioCodec_PCMU) {
+// crbug.com/684680
+#if defined(OS_MACOSX)
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
+#endif  // defined(OS_MACOSX)
   RunsAudioAndVideoCallCollectingMetrics("PCMU", kUseDefaultVideoCodec);
 }
 
 IN_PROC_BROWSER_TEST_F(
     WebRtcStatsPerfBrowserTest,
     MANUAL_RunsAudioAndVideoCallCollectingMetrics_AudioCodec_PCMA) {
+// crbug.com/684680
+#if defined(OS_MACOSX)
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
+#endif  // defined(OS_MACOSX)
   RunsAudioAndVideoCallCollectingMetrics("PCMA", kUseDefaultVideoCodec);
 }
 
 IN_PROC_BROWSER_TEST_F(
     WebRtcStatsPerfBrowserTest,
     MANUAL_RunsAudioAndVideoCallCollectingMetrics_VideoCodec_VP8) {
+// crbug.com/684680
+#if defined(OS_MACOSX)
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
+#endif  // defined(OS_MACOSX)
   RunsAudioAndVideoCallCollectingMetrics(kUseDefaultAudioCodec, "VP8");
 }
 
 IN_PROC_BROWSER_TEST_F(
     WebRtcStatsPerfBrowserTest,
     MANUAL_RunsAudioAndVideoCallCollectingMetrics_VideoCodec_VP9) {
+// crbug.com/684680
+#if defined(OS_MACOSX)
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
+#endif  // defined(OS_MACOSX)
   RunsAudioAndVideoCallCollectingMetrics(kUseDefaultAudioCodec, "VP9");
 }
 
@@ -276,6 +308,10 @@ IN_PROC_BROWSER_TEST_F(
 IN_PROC_BROWSER_TEST_F(
     WebRtcStatsPerfBrowserTest,
     MANUAL_RunsAudioAndVideoCallCollectingMetrics_VideoCodec_H264) {
+// 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. "
@@ -292,6 +328,10 @@ IN_PROC_BROWSER_TEST_F(
 IN_PROC_BROWSER_TEST_F(
     WebRtcStatsPerfBrowserTest,
     MANUAL_RunsAudioAndVideoCallMeasuringGetStatsPerformance_Promise) {
+// crbug.com/684680
+#if defined(OS_MACOSX)
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
+#endif  // defined(OS_MACOSX)
   RunsAudioAndVideoCallMeasuringGetStatsPerformance(
       GetStatsVariation::PROMISE_BASED);
 }
@@ -299,6 +339,10 @@ IN_PROC_BROWSER_TEST_F(
 IN_PROC_BROWSER_TEST_F(
     WebRtcStatsPerfBrowserTest,
     MANUAL_RunsAudioAndVideoCallMeasuringGetStatsPerformance_Callback) {
+// crbug.com/684680
+#if defined(OS_MACOSX)
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
+#endif  // defined(OS_MACOSX)
   RunsAudioAndVideoCallMeasuringGetStatsPerformance(
       GetStatsVariation::CALLBACK_BASED);
 }