Use TaskScheduler instead of WorkerPool in multi_threaded_cert_verifier.cc.

net/test/embedded_test_server/embedded_test_server_unittest.cc

Index: net/test/embedded_test_server/embedded_test_server_unittest.cc
diff --git a/net/test/embedded_test_server/embedded_test_server_unittest.cc b/net/test/embedded_test_server/embedded_test_server_unittest.cc
index dae43e9709c0e5964cc7097533ae2bf8c5b6e40a..c9721ebc1027cce33120a3169b8034231f3c2aa3 100644
--- a/net/test/embedded_test_server/embedded_test_server_unittest.cc
+++ b/net/test/embedded_test_server/embedded_test_server_unittest.cc
@@ -9,11 +9,13 @@
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/weak_ptr.h"
+#include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/stringprintf.h"
 #include "base/synchronization/lock.h"
+#include "base/test/scoped_task_scheduler.h"
 #include "base/threading/thread.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "crypto/nss_util.h"
@@ -123,10 +125,10 @@ class EmbeddedTestServerTest
       public URLFetcherDelegate {
  public:
   EmbeddedTestServerTest()
-      : num_responses_received_(0),
+      : scoped_task_scheduler_(base::MessageLoop::current()),
+        num_responses_received_(0),
         num_responses_expected_(0),
-        io_thread_("io_thread") {
-  }
+        io_thread_("io_thread") {}
 
   void SetUp() override {
 #if defined(USE_NSS_CERTS)
@@ -193,6 +195,9 @@ class EmbeddedTestServerTest
     return nullptr;
   }
 
+ private:
+  base::test::ScopedTaskScheduler scoped_task_scheduler_;
+
  protected:
   int num_responses_received_;
   int num_responses_expected_;
@@ -505,6 +510,10 @@ typedef std::tr1::tuple<bool, bool, EmbeddedTestServer::Type>
 
 class EmbeddedTestServerThreadingTest
     : public testing::TestWithParam<ThreadingTestParams> {
+ protected:
+  EmbeddedTestServerThreadingTest()
+      : scoped_task_scheduler_(base::MessageLoop::current()) {}
+
   void SetUp() override {
 #if defined(USE_NSS_CERTS)
     // This is needed so NSS's HTTP client functions are initialized on the
@@ -521,6 +530,9 @@ class EmbeddedTestServerThreadingTest
     ShutdownNSSHttpIO();
 #endif
   }
+
+ private:
+  base::test::ScopedTaskScheduler scoped_task_scheduler_;
 };
 
 class EmbeddedTestServerThreadingTestDelegate