Allow IO thread usage in WebRTC browsertests

chrome/browser/media/webrtc/webrtc_internals_perf_browsertest.cc

Index: chrome/browser/media/webrtc/webrtc_internals_perf_browsertest.cc
diff --git a/chrome/browser/media/webrtc/webrtc_internals_perf_browsertest.cc b/chrome/browser/media/webrtc/webrtc_internals_perf_browsertest.cc
index beb8f6b5285e64f09c23cb045bd5797a7f4fab65..07894b6d85c9eeb74c9cfe83768b8abf2201606e 100644
--- a/chrome/browser/media/webrtc/webrtc_internals_perf_browsertest.cc
+++ b/chrome/browser/media/webrtc/webrtc_internals_perf_browsertest.cc
@@ -29,6 +29,10 @@
 #include "net/test/embedded_test_server/embedded_test_server.h"
 #include "testing/perf/perf_test.h"
 
+#if defined(OS_MACOSX)
+#include "base/threading/thread_restrictions.h"
+#endif  // defined(OS_MACOSX)
+
 static const char kMainWebrtcTestHtmlPage[] =
     "/webrtc/webrtc_jsep01_test.html";
 
@@ -226,12 +230,20 @@ class WebRtcInternalsPerfBrowserTest : public WebRtcTestBase {
 IN_PROC_BROWSER_TEST_F(
     WebRtcInternalsPerfBrowserTest,
     MANUAL_RunsAudioVideoCall60SecsAndLogsInternalMetricsVp8) {
+// crbug.com/684680
+#if defined(OS_MACOSX)
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
+#endif  // defined(OS_MACOSX)
   RunsAudioVideoCall60SecsAndLogsInternalMetrics("VP8");
 }
 
 IN_PROC_BROWSER_TEST_F(
     WebRtcInternalsPerfBrowserTest,
     MANUAL_RunsAudioVideoCall60SecsAndLogsInternalMetricsVp9) {
+// crbug.com/684680
+#if defined(OS_MACOSX)
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
+#endif  // defined(OS_MACOSX)
   RunsAudioVideoCall60SecsAndLogsInternalMetrics("VP9");
 }
 
@@ -248,6 +260,10 @@ IN_PROC_BROWSER_TEST_F(
 IN_PROC_BROWSER_TEST_F(
     WebRtcInternalsPerfBrowserTest,
     MAYBE_MANUAL_RunsAudioVideoCall60SecsAndLogsInternalMetricsH264) {
+// 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. "
@@ -264,11 +280,19 @@ IN_PROC_BROWSER_TEST_F(
 IN_PROC_BROWSER_TEST_F(
     WebRtcInternalsPerfBrowserTest,
     MANUAL_RunsOneWayCall60SecsAndLogsInternalMetricsDefault) {
+// crbug.com/684680
+#if defined(OS_MACOSX)
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
+#endif  // defined(OS_MACOSX)
   RunsOneWayCall60SecsAndLogsInternalMetrics("", false);
 }
 
 IN_PROC_BROWSER_TEST_F(
     WebRtcInternalsPerfBrowserTest,
     MANUAL_RunsOneWayCall60SecsAndLogsInternalMetricsWithOpusDtx) {
+// crbug.com/684680
+#if defined(OS_MACOSX)
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
+#endif  // defined(OS_MACOSX)
   RunsOneWayCall60SecsAndLogsInternalMetrics("", true);
 }