"up-to-date" should only use hyphens when used as compound modifier of a noun

components/drive/file_system_unittest.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 "components/drive/chromeos/file_system.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 707 matching lines @@
   EXPECT_EQ(3U, entries->size());
 }
 
 TEST_F(FileSystemTest, LoadFileSystemFromUpToDateCache) {
   ASSERT_NO_FATAL_FAILURE(SetUpTestFileSystem(USE_SERVER_TIMESTAMP));
 
   // Kicks loading of cached file system and query for server update.
   EXPECT_TRUE(ReadDirectorySync(util::GetDriveMyDriveRootPath()));
 
   // SetUpTestFileSystem and FakeDriveService have the same
-  // changestamp (i.e. the local metadata is up-to-date), so no request for
+  // changestamp (i.e. the local metadata is up to date), so no request for
   // new resource list (i.e., call to GetResourceList) should happen.
   EXPECT_EQ(0, fake_drive_service_->file_list_load_count());
 
   // Since the file system has verified that it holds the latest snapshot,
   // it should change its state to "loaded", which admits periodic refresh.
   // To test it, call CheckForUpdates and verify it does try to check updates.
   const int about_resource_load_count_before =
       fake_drive_service_->about_resource_load_count();
   file_system_->CheckForUpdates();
   content::RunAllBlockingPoolTasksUntilIdle();
@@ skipping 325 matching lines @@
       google_apis::test_util::CreateCopyResultCallback(&available));
   content::RunAllBlockingPoolTasksUntilIdle();
   ASSERT_FALSE(available);
 
   entry = GetResourceEntrySync(file_in_root);
   ASSERT_TRUE(entry);
   EXPECT_FALSE(entry->file_specific_info().cache_state().is_present());
 }
 
 }   // namespace drive