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

chrome/browser/ui/views/profiles/profile_chooser_view_browsertest.cc

 // Copyright 2014 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/views/profiles/profile_chooser_view.h"
 
 #include <stddef.h>
 
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/histogram_tester.h"
+#include "base/threading/thread_restrictions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/profiles/profile_attributes_entry.h"
 #include "chrome/browser/profiles/profile_attributes_storage.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/profiles/profile_metrics.h"
 #include "chrome/browser/profiles/profiles_state.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/user_manager.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
 #include "chrome/browser/ui/views/profiles/profile_indicator_icon.h"
 #include "chrome/browser/ui/views/profiles/user_manager_view.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "components/prefs/pref_service.h"
 #include "components/signin/core/common/profile_management_switches.h"
 #include "components/signin/core/common/signin_pref_names.h"
 #include "content/public/test/test_utils.h"
 #include "extensions/browser/extension_registry.h"
 #include "ui/events/event_utils.h"
 #include "ui/views/controls/button/label_button.h"
 #include "ui/views/controls/webview/webview.h"
 
 namespace {
 
 Profile* CreateTestingProfile(const std::string& profile_name) {
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   ProfileManager* profile_manager = g_browser_process->profile_manager();
   size_t starting_number_of_profiles = profile_manager->GetNumberOfProfiles();
 
   base::FilePath path;
   PathService::Get(chrome::DIR_USER_DATA, &path);
   path = path.AppendASCII(profile_name);
   if (!base::PathExists(path) && !base::CreateDirectory(path))
     NOTREACHED() << "Could not create directory at " << path.MaybeAsASCII();
 
   Profile* profile =
       Profile::CreateProfile(path, NULL, Profile::CREATE_MODE_SYNCHRONOUS);
   profile_manager->RegisterTestingProfile(profile, true, false);
   EXPECT_EQ(starting_number_of_profiles + 1,
             profile_manager->GetNumberOfProfiles());
   return profile;
 }
 
 Profile* CreateProfileOutsideUserDataDir() {
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   base::FilePath path;
   if (!base::CreateNewTempDirectory(base::FilePath::StringType(), &path))
     NOTREACHED() << "Could not create directory at " << path.MaybeAsASCII();
 
   ProfileManager* profile_manager = g_browser_process->profile_manager();
   Profile* profile =
       Profile::CreateProfile(path, NULL, Profile::CREATE_MODE_SYNCHRONOUS);
   profile_manager->RegisterTestingProfile(profile, true, false);
   return profile;
 }
 
 // Set up the profiles to enable Lock. Takes as parameter a profile that will be
 // signed in, and also creates a supervised user (necessary for lock).
 void SetupProfilesForLock(Profile* signed_in) {
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   const char signed_in_email[] = "me@google.com";
 
   // Set up the |signed_in| profile.
   ProfileAttributesStorage* storage =
       &g_browser_process->profile_manager()->GetProfileAttributesStorage();
   ProfileAttributesEntry* entry_signed_in;
   ASSERT_TRUE(storage->GetProfileAttributesWithPath(signed_in->GetPath(),
                                                     &entry_signed_in));
   entry_signed_in->SetAuthInfo("12345", base::UTF8ToUTF16(signed_in_email));
   signed_in->GetPrefs()->SetString(prefs::kGoogleServicesHostedDomain,
@@ skipping 248 matching lines @@
   // Wait until the user manager is shown.
   runner->Run();
 
   // Assert that the first profile's extensions are not blocked.
   ASSERT_EQ(total_enabled_extensions, registry->enabled_extensions().size());
   ASSERT_EQ(0U, registry->blocked_extensions().size());
 
   // We need to hide the User Manager or else the process can't die.
   UserManager::Hide();
 }