Remove InProcessBrowserTest::SetUpOnMainThread() calls.

chrome/browser/sessions/session_restore_browsertest.cc

 // Copyright 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 <algorithm>
 #include <set>
 #include <vector>
 
@@ skipping 88 matching lines @@
         testing::UnitTest::GetInstance()->current_test_info();
     if (strcmp(test_info->name(), "NoSessionRestoreNewWindowChromeOS") != 0) {
       // Undo the effect of kBrowserAliveWithNoWindows in defaults.cc so that we
       // can get these test to work without quitting.
       SessionServiceTestHelper helper(
           SessionServiceFactory::GetForProfile(browser()->profile()));
       helper.SetForceBrowserNotAliveWithNoWindows(true);
       helper.ReleaseService();
     }
 #endif
-
-    InProcessBrowserTest::SetUpOnMainThread();
   }
 
   bool SetUpUserDataDirectory() override {
     url1_ = ui_test_utils::GetTestUrl(
         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"));
     url3_ = ui_test_utils::GetTestUrl(
@@ skipping 1543 matching lines @@
                        StartupURLsWithSessionRestore) {
   // Check that browser is started with restored session and
   // tab with startup URL next to it.
   TabStripModel* tab_strip = browser()->tab_strip_model();
   ASSERT_EQ(2, tab_strip->count());
   EXPECT_EQ(kSessionURL,
             tab_strip->GetWebContentsAt(0)->GetURL().possibly_invalid_spec());
   EXPECT_EQ(kStartupURL,
             tab_strip->GetWebContentsAt(1)->GetURL().possibly_invalid_spec());
 }