Fix integration tests in src/chrome and src/extensions so that we can turn on IO thread checks wi...

chrome/browser/ui/startup/startup_browser_creator_triggered_reset_browsertest_win.cc

 // Copyright (c) 2015 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 <memory>
 
 #include "base/callback_list.h"
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
+#include "base/threading/thread_restrictions.h"
 #include "base/win/windows_version.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/lifetime/keep_alive_types.h"
 #include "chrome/browser/lifetime/scoped_keep_alive.h"
 #include "chrome/browser/profile_resetter/triggered_profile_resetter.h"
 #include "chrome/browser/profile_resetter/triggered_profile_resetter_factory.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/signin/signin_promo.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
@@ skipping 206 matching lines @@
 
   // This should have created a new browser window.  |browser()| is still
   // around at this point, even though we've closed its window.
   Browser* new_browser = FindOneOtherBrowser(browser());
   ASSERT_TRUE(new_browser);
 
   // Now create a second browser instance pointing to a different profile.
   ProfileManager* profile_manager = g_browser_process->profile_manager();
   base::FilePath path =
       profile_manager->user_data_dir().AppendASCII("test_profile");
-  Profile* other_profile =
-      Profile::CreateProfile(path, nullptr, Profile::CREATE_MODE_SYNCHRONOUS);
+  Profile* other_profile = nullptr;
+  {
+    base::ThreadRestrictions::ScopedAllowIO allow_io;
+    other_profile =
+        Profile::CreateProfile(path, nullptr, Profile::CREATE_MODE_SYNCHRONOUS);
+  }
   profile_manager->RegisterTestingProfile(other_profile, true, false);
 
   // Use a couple same-site HTTP URLs.
   ASSERT_TRUE(embedded_test_server()->Start());
   std::vector<GURL> urls;
   urls.push_back(embedded_test_server()->GetURL("/title1.html"));
   urls.push_back(embedded_test_server()->GetURL("/title2.html"));
 
   // Set the startup preference to open these URLs.
   SessionStartupPref other_prefs(SessionStartupPref::URLS);
@@ skipping 13 matching lines @@
   Browser* other_profile_browser =
       chrome::FindBrowserWithProfile(other_profile);
   ASSERT_NE(nullptr, other_profile_browser);
 
   // Check for the expected reset dialog in the second browser too.
   TabStripModel* other_tab_strip = other_profile_browser->tab_strip_model();
   ASSERT_LT(0, other_tab_strip->count());
   EXPECT_EQ(internals::GetTriggeredResetSettingsURL(),
             other_tab_strip->GetActiveWebContents()->GetURL());
 }