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

chrome/browser/policy/policy_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 <stdint.h>
 
 #include <algorithm>
 #include <memory>
 #include <string>
@@ skipping 16 matching lines @@
 #include "base/path_service.h"
 #include "base/run_loop.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/scoped_feature_list.h"
 #include "base/test/test_file_util.h"
 #include "base/threading/sequenced_worker_pool.h"
+#include "base/threading/thread_restrictions.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/background/background_contents_service.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/component_updater/chrome_component_updater_configurator.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/devtools/devtools_window_testing.h"
@@ skipping 821 matching lines @@
 IN_PROC_BROWSER_TEST_F(LocalePolicyTest, ApplicationLocaleValue) {
   // Verifies that the default locale can be overridden with policy.
   EXPECT_EQ("fr", g_browser_process->GetApplicationLocale());
   ui_test_utils::NavigateToURL(browser(), GURL(chrome::kChromeUINewTabURL));
   base::string16 french_title = l10n_util::GetStringUTF16(IDS_NEW_TAB_TITLE);
   base::string16 title;
   EXPECT_TRUE(ui_test_utils::GetCurrentTabTitle(browser(), &title));
   EXPECT_EQ(french_title, title);
 
   // Make sure this is really French and differs from the English title.
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   std::string loaded =
       ui::ResourceBundle::GetSharedInstance().ReloadLocaleResources("en-US");
   EXPECT_EQ("en-US", loaded);
   base::string16 english_title = l10n_util::GetStringUTF16(IDS_NEW_TAB_TITLE);
   EXPECT_NE(french_title, english_title);
 }
 #endif
 
 IN_PROC_BROWSER_TEST_F(PolicyTest, BookmarkBarEnabled) {
   // Verifies that the bookmarks bar can be forced to always or never show up.
@@ skipping 539 matching lines @@
   ui_test_utils::NavigateToURL(browser(), GURL(chrome::kChromeUINewTabURL));
   EXPECT_FALSE(ContainsVisibleElement(contents,
                                       "ahfgeienlihckogmohjhadlkjgocpleb"));
   EXPECT_FALSE(ContainsVisibleElement(contents, "chrome-web-store-link"));
 }
 
 IN_PROC_BROWSER_TEST_F(PolicyTest, DownloadDirectory) {
   // Verifies that the download directory can be forced by policy.
 
   // Set the initial download directory.
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   base::ScopedTempDir initial_dir;
   ASSERT_TRUE(initial_dir.CreateUniqueTempDir());
   browser()->profile()->GetPrefs()->SetFilePath(
       prefs::kDownloadDefaultDirectory, initial_dir.GetPath());
   // Don't prompt for the download location during this test.
   browser()->profile()->GetPrefs()->SetBoolean(
       prefs::kPromptForDownload, false);
 
   // Verify that downloads end up on the default directory.
   base::FilePath file(FILE_PATH_LITERAL("download-test1.lib"));
@@ skipping 378 matching lines @@
 #define MAYBE_ExtensionInstallSources ExtensionInstallSources
 #endif
 IN_PROC_BROWSER_TEST_F(PolicyTest, MAYBE_ExtensionInstallSources) {
   extensions::ScopedTestDialogAutoConfirm auto_confirm(
       extensions::ScopedTestDialogAutoConfirm::ACCEPT);
 
   const GURL install_source_url(
       URLRequestMockHTTPJob::GetMockUrl("extensions/*"));
   const GURL referrer_url(URLRequestMockHTTPJob::GetMockUrl("policy/*"));
 
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   base::ScopedTempDir download_directory;
   ASSERT_TRUE(download_directory.CreateUniqueTempDir());
   DownloadPrefs* download_prefs =
       DownloadPrefs::FromBrowserContext(browser()->profile());
   download_prefs->SetDownloadPath(download_directory.GetPath());
 
   const GURL download_page_url(URLRequestMockHTTPJob::GetMockUrl(
       "policy/extension_install_sources_test.html"));
   ui_test_utils::NavigateToURL(browser(), download_page_url);
 
@@ skipping 2638 matching lines @@
 
   SetEmptyPolicy();
   // Policy not set.
   CheckSystemTimezoneAutomaticDetectionPolicyUnset();
   EXPECT_TRUE(CheckResolveTimezoneByGeolocation(true, false));
   EXPECT_TRUE(manager->TimeZoneResolverShouldBeRunningForTests());
 }
 #endif  // defined(OS_CHROMEOS)
 
 }  // namespace policy