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

extensions/browser/api/runtime/runtime_api.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 "extensions/browser/api/runtime/runtime_api.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/lazy_instance.h"
@@ skipping 156 matching lines @@
 
   registrar_.Add(this,
                  extensions::NOTIFICATION_EXTENSIONS_READY_DEPRECATED,
                  content::Source<BrowserContext>(context));
   extension_registry_observer_.Add(ExtensionRegistry::Get(browser_context_));
   process_manager_observer_.Add(ProcessManager::Get(browser_context_));
 
   delegate_ = ExtensionsBrowserClient::Get()->CreateRuntimeAPIDelegate(
       browser_context_);
 
-  // Check if registered events are up-to-date. We can only do this once
+  // Check if registered events are up to date. We can only do this once
   // per browser context, since it updates internal state when called.
   dispatch_chrome_updated_event_ =
       ExtensionsBrowserClient::Get()->DidVersionUpdate(browser_context_);
 }
 
 RuntimeAPI::~RuntimeAPI() {
 }
 
 void RuntimeAPI::Observe(int type,
                          const content::NotificationSource& source,
@@ skipping 391 matching lines @@
   content::ChildProcessSecurityPolicy* policy =
       content::ChildProcessSecurityPolicy::GetInstance();
   policy->GrantReadFileSystem(renderer_id, filesystem_id);
   std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
   dict->SetString("fileSystemId", filesystem_id);
   dict->SetString("baseName", relative_path);
   return RespondNow(OneArgument(std::move(dict)));
 }
 
 }  // namespace extensions