Add TestBrowserThreadBundle into RenderViewHostTestHarness. Kill some unnecessary real threads.

chrome/browser/extensions/activity_log/activity_log_unittest.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 "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/waitable_event.h"
 #include "chrome/browser/extensions/activity_log/activity_log.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/test_extension_system.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension_builder.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/browser/browser_thread.h"
-#include "content/public/test/test_browser_thread.h"
 #include "sql/statement.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "chrome/browser/chromeos/settings/device_settings_service.h"
 #endif
 
 namespace extensions {
 
 class ActivityLogTest : public ChromeRenderViewHostTestHarness {
  public:
-  ActivityLogTest()
-      : ui_thread_(BrowserThread::UI, MessageLoop::current()),
-        db_thread_(BrowserThread::DB, MessageLoop::current()),
-        file_thread_(BrowserThread::FILE, MessageLoop::current()) {}
-
   virtual void SetUp() OVERRIDE {
     ChromeRenderViewHostTestHarness::SetUp();
+#if defined OS_CHROMEOS
+  test_user_manager_.reset(new chromeos::ScopedTestUserManager());
+#endif
     CommandLine command_line(CommandLine::NO_PROGRAM);
     profile_ =
         Profile::FromBrowserContext(web_contents()->GetBrowserContext());
     extension_service_ = static_cast<TestExtensionSystem*>(
         ExtensionSystem::Get(profile_))->CreateExtensionService(
             &command_line, base::FilePath(), false);
     CommandLine::ForCurrentProcess()->AppendSwitch(
         switches::kEnableExtensionActivityUI);
     CommandLine::ForCurrentProcess()->AppendSwitch(
         switches::kEnableExtensionActivityLogTesting);
     ActivityLog::RecomputeLoggingIsEnabled();
   }
 
-  virtual ~ActivityLogTest() {
-    MessageLoop::current()->PostTask(FROM_HERE, MessageLoop::QuitClosure());
-    MessageLoop::current()->Run();
+  virtual void TearDown() OVERRIDE {
+#if defined OS_CHROMEOS
+    test_user_manager_.reset();
+#endif
+    ChromeRenderViewHostTestHarness::TearDown();
   }
 
   static void RetrieveActions_LogAndFetchActions(
       scoped_ptr<std::vector<scoped_refptr<Action> > > i) {
     ASSERT_EQ(2, static_cast<int>(i->size()));
   }
 
   static void Arguments_Missing(
       scoped_ptr<std::vector<scoped_refptr<Action> > > i) {
     scoped_refptr<Action> last = i->front();
     std::string noargs = "ID: odlameecjipmbmbejkplpemijjgpljce, CATEGORY: "
       "CALL, API: tabs.testMethod, ARGS: ";
     ASSERT_EQ(noargs, last->PrintForDebug());
   }
 
   static void Arguments_Present(
       scoped_ptr<std::vector<scoped_refptr<Action> > > i) {
     scoped_refptr<Action> last = i->front();
     std::string args = "ID: odlameecjipmbmbejkplpemijjgpljce, CATEGORY: "
       "CALL, API: extension.connect, ARGS: \"hello\", \"world\"";
     ASSERT_EQ(args, last->PrintForDebug());
   }
 
  protected:
   ExtensionService* extension_service_;
   Profile* profile_;
 
- private:
-  content::TestBrowserThread ui_thread_;
-  content::TestBrowserThread db_thread_;
-  content::TestBrowserThread file_thread_;
-
 #if defined OS_CHROMEOS
   chromeos::ScopedTestDeviceSettingsService test_device_settings_service_;
   chromeos::ScopedTestCrosSettings test_cros_settings_;
-  chromeos::ScopedTestUserManager test_user_manager_;
+  scoped_ptr<chromeos::ScopedTestUserManager> test_user_manager_;
 #endif
 };
 
 TEST_F(ActivityLogTest, Enabled) {
   ASSERT_TRUE(ActivityLog::IsLogEnabled());
 }
 
 TEST_F(ActivityLogTest, Construct) {
   ActivityLog* activity_log = ActivityLog::GetInstance(profile_);
   scoped_refptr<const Extension> extension =
@@ skipping 76 matching lines @@
   args->Set(0, new base::StringValue("hello"));
   args->Set(1, new base::StringValue("world"));
   activity_log->LogAPIAction(
       extension, std::string("extension.connect"), args.get(), std::string());
   activity_log->GetActions(
       extension->id(), 0, base::Bind(ActivityLogTest::Arguments_Present));
 }
 
 }  // namespace extensions