Remove InProcessBrowserTest::SetUpOnMainThread() calls.

chrome/browser/ui/views/arc_app_dialog_view_browsertest.cc

 // Copyright 2016 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 "chrome/browser/ui/app_list/arc/arc_app_dialog.h"
 
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "chrome/browser/chromeos/arc/arc_auth_notification.h"
 #include "chrome/browser/chromeos/arc/arc_session_manager.h"
@@ skipping 26 matching lines @@
     arc::SetArcAvailableCommandLineForTesting(command_line);
   }
 
   void SetUpInProcessBrowserTestFixture() override {
     InProcessBrowserTest::SetUpInProcessBrowserTestFixture();
     ArcSessionManager::DisableUIForTesting();
     ArcAuthNotification::DisableForTesting();
   }
 
   void SetUpOnMainThread() override {
-    InProcessBrowserTest::SetUpOnMainThread();
     profile_ = browser()->profile();
     arc_app_list_pref_ = ArcAppListPrefs::Get(profile_);
     if (!arc_app_list_pref_) {
       ArcAppListPrefsFactory::GetInstance()->RecreateServiceInstanceForTesting(
           profile_);
     }
 
     arc::SetArcPlayStoreEnabledForProfile(profile_, true);
 
     arc_app_list_pref_ = ArcAppListPrefs::Get(profile_);
@@ skipping 114 matching lines @@
   content::RunAllPendingInMessageLoop();
 
   EXPECT_TRUE(CloseAppDialogViewAndConfirmForTest(true));
   content::RunAllPendingInMessageLoop();
   app_ids = arc_app_list_pref()->GetAppIds();
   EXPECT_EQ(app_ids.size(), 1u);
   controller->DismissView();
 }
 
 }  // namespace arc