Use TaskScheduler instead of WorkerPool in multi_threaded_cert_verifier.cc.

net/quic/chromium/quic_stream_factory_test.cc

Index: net/quic/chromium/quic_stream_factory_test.cc
diff --git a/net/quic/chromium/quic_stream_factory_test.cc b/net/quic/chromium/quic_stream_factory_test.cc
index e40a2bd2f7a6402dc1fc630f582114de44b0536a..5de0b7b79e1c02cf1ce45def32ac6c13d68a1f48 100644
--- a/net/quic/chromium/quic_stream_factory_test.cc
+++ b/net/quic/chromium/quic_stream_factory_test.cc
@@ -11,8 +11,10 @@
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/memory/ptr_util.h"
+#include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/strings/string_util.h"
+#include "base/test/scoped_task_scheduler.h"
 #include "net/base/test_proxy_delegate.h"
 #include "net/cert/cert_verifier.h"
 #include "net/cert/ct_policy_enforcer.h"
@@ -4971,6 +4973,9 @@ TEST_P(QuicStreamFactoryTest, MaybeInitializeAlternativeProxyServer) {
 }
 
 TEST_P(QuicStreamFactoryTest, StartCertVerifyJob) {
+  base::test::ScopedTaskScheduler scoped_task_scheduler(

[eroman, 2017/02/07 22:45:45]

What is the recipe for including ScopedTaskScheduler throughout this changelist?

It is flimsy to have this everywhere that transitively depends on the verifier
code.

Is this something that can be added generically to say NetTestSuite?

[gab, 2017/02/08 16:01:42]

We could (although we'd need a way to ask for a ScopedAsyncTaskScheduler for the
odd cases where that's required)

+      base::MessageLoop::current());
+
   Initialize();
 
   MockQuicData socket_data;