Do not flush SequencedWorkerPools in browser tests.

content/public/test/content_test_suite_base.cc

 // Copyright (c) 2012 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 "content/public/test/content_test_suite_base.h"
 
 #include <memory>
 
 #include "base/compiler_specific.h"
-#include "base/macros.h"
 #include "base/metrics/statistics_recorder.h"
 #include "base/test/test_suite.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "build/build_config.h"
-#include "content/browser/browser_thread_impl.h"
 #include "content/browser/gpu/gpu_process_host.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/utility_process_host_impl.h"
 #include "content/common/url_schemes.h"
 #include "content/gpu/in_process_gpu_thread.h"
 #include "content/public/common/content_client.h"
 #include "content/renderer/in_process_renderer_thread.h"
 #include "content/utility/in_process_utility_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/material_design/material_design_controller.h"
@@ skipping 22 matching lines @@
 #include "ui/shell_dialogs/android/shell_dialogs_jni_registrar.h"
 #endif
 
 #if defined(USE_OZONE)
 #include "ui/ozone/public/ozone_platform.h"
 #endif
 
 
 namespace content {
 
-class ContentTestSuiteBaseListener : public testing::EmptyTestEventListener {
- public:
-  ContentTestSuiteBaseListener() {
-  }
-  void OnTestEnd(const testing::TestInfo& test_info) override {
-    BrowserThreadImpl::FlushThreadPoolHelperForTesting();
-  }
- private:
-  DISALLOW_COPY_AND_ASSIGN(ContentTestSuiteBaseListener);
-};
-
 ContentTestSuiteBase::ContentTestSuiteBase(int argc, char** argv)
     : base::TestSuite(argc, argv) {
 }
 
 void ContentTestSuiteBase::Initialize() {
   base::TestSuite::Initialize();
 
   // Initialize the histograms subsystem, so that any histograms hit in tests
   // are correctly registered with the statistics recorder and can be queried
   // by tests.
@@ skipping 16 matching lines @@
   net::android::RegisterJni(env);
   ui::android::RegisterJni(env);
   ui::RegisterUIAndroidJni(env);
   ui::gl::android::RegisterJni(env);
 #if !defined(USE_AURA)
   ui::shell_dialogs::RegisterJni(env);
   content::Compositor::Initialize();
 #endif
 #endif
 
-  testing::UnitTest::GetInstance()->listeners().Append(
-      new ContentTestSuiteBaseListener);
   ui::MaterialDesignController::Initialize();
 }
 
 void ContentTestSuiteBase::RegisterContentSchemes(
     ContentClient* content_client) {
   SetContentClient(content_client);
   content::RegisterContentSchemes(false);
   SetContentClient(NULL);
 }
 
 void ContentTestSuiteBase::RegisterInProcessThreads() {
   UtilityProcessHostImpl::RegisterUtilityMainThreadFactory(
       CreateInProcessUtilityThread);
   RenderProcessHostImpl::RegisterRendererMainThreadFactory(
       CreateInProcessRendererThread);
   GpuProcessHost::RegisterGpuMainThreadFactory(CreateInProcessGpuThread);
 }
 
 }  // namespace content