Remove InProcessBrowserTest::SetUpOnMainThread() calls.

chrome/browser/sessions/tab_restore_browsertest.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 <stddef.h>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/run_loop.h"
@@ skipping 82 matching lines @@
         base::FilePath().AppendASCII("session_history"),
         base::FilePath().AppendASCII("bot1.html"));
     url2_ = ui_test_utils::GetTestUrl(
         base::FilePath().AppendASCII("session_history"),
         base::FilePath().AppendASCII("bot2.html"));
   }
 
  protected:
   void SetUpOnMainThread() override {
     active_browser_list_ = BrowserList::GetInstance();
-    InProcessBrowserTest::SetUpOnMainThread();
   }
 
   Browser* GetBrowser(int index) {
     CHECK(static_cast<int>(active_browser_list_->size()) > index);
     return active_browser_list_->get(index);
   }
 
   // Adds tabs to the given browser, all navigated to url1_. Returns
   // the final number of tabs.
   int AddSomeTabs(Browser* browser, int how_many) {
@@ skipping 694 matching lines @@
   content::RunAllPendingInMessageLoop();
 
   // These tabs shouldn't want to be loaded.
   for (int tab_idx = 1; tab_idx < tabs_count - 1; ++tab_idx) {
     auto* contents = browser2->tab_strip_model()->GetWebContentsAt(tab_idx);
     EXPECT_FALSE(contents->IsLoading());
     EXPECT_TRUE(contents->GetController().NeedsReload());
   }
 }
 #endif  // BUILDFLAG(ENABLE_SESSION_SERVICE)