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

apps/app_restore_service_browsertest.cc

 // Copyright (c) 2013 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 "apps/app_restore_service.h"
 #include "apps/app_restore_service_factory.h"
 #include "apps/saved_files_service.h"
+#include "base/threading/thread_restrictions.h"
 #include "chrome/browser/apps/app_browsertest_util.h"
 #include "chrome/browser/extensions/api/file_system/file_system_api.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/test/test_utils.h"
 #include "extensions/browser/extension_prefs.h"
 #include "extensions/browser/notification_types.h"
 #include "extensions/common/extension.h"
 #include "extensions/test/extension_test_message_listener.h"
 
@@ skipping 89 matching lines @@
   ready_listener.Reset();
   ASSERT_TRUE(ready_listener.WaitUntilSatisfied());
   ready_listener.Reply("exit");
 }
 
 IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest, FileAccessIsSavedToPrefs) {
   content::WindowedNotificationObserver extension_suspended(
       extensions::NOTIFICATION_EXTENSION_HOST_DESTROYED,
       content::NotificationService::AllSources());
 
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   base::ScopedTempDir temp_directory;
   ASSERT_TRUE(temp_directory.CreateUniqueTempDir());
   base::FilePath temp_file;
   ASSERT_TRUE(
       base::CreateTemporaryFileInDir(temp_directory.GetPath(), &temp_file));
 
   FileSystemChooseEntryFunction::SkipPickerAndAlwaysSelectPathForTest(
       &temp_file);
   FileSystemChooseEntryFunction::RegisterTempExternalFileSystemForTest(
       "temp", temp_directory.GetPath());
@@ skipping 20 matching lines @@
 #define MAYBE_FileAccessIsRestored DISABLED_FileAccessIsRestored
 #else
 #define MAYBE_FileAccessIsRestored FileAccessIsRestored
 #endif
 
 IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest, MAYBE_FileAccessIsRestored) {
   content::WindowedNotificationObserver extension_suspended(
       extensions::NOTIFICATION_EXTENSION_HOST_DESTROYED,
       content::NotificationService::AllSources());
 
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
   base::ScopedTempDir temp_directory;
   ASSERT_TRUE(temp_directory.CreateUniqueTempDir());
   base::FilePath temp_file;
   ASSERT_TRUE(
       base::CreateTemporaryFileInDir(temp_directory.GetPath(), &temp_file));
 
   FileSystemChooseEntryFunction::SkipPickerAndAlwaysSelectPathForTest(
       &temp_file);
   FileSystemChooseEntryFunction::RegisterTempExternalFileSystemForTest(
       "temp", temp_directory.GetPath());
@@ skipping 21 matching lines @@
         extension->id(), it->id, it->path, it->is_directory);
   }
 
   apps::AppRestoreServiceFactory::GetForBrowserContext(browser()->profile())
       ->HandleStartup(true);
 
   access_ok_listener.WaitUntilSatisfied();
 }
 
 }  // namespace apps