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

content/common/plugin_list.h

 // 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.
 
 #ifndef CONTENT_COMMON_PLUGIN_LIST_H_
 #define CONTENT_COMMON_PLUGIN_LIST_H_
 
 #include <set>
 #include <string>
 #include <utility>
@@ skipping 57 matching lines @@
   // Creates a WebPluginInfo structure given a plugin's path.  On success
   // returns true, with the information being put into "info".
   // Returns false if the library couldn't be found, or if it's not a plugin.
   bool ReadPluginInfo(const base::FilePath& filename,
                       WebPluginInfo* info);
 
   // Get all the plugins synchronously, loading them if necessary.
   void GetPlugins(std::vector<WebPluginInfo>* plugins);
 
   // Copies the list of plugins into |plugins| without loading them.
-  // Returns true if the list of plugins is up-to-date.
+  // Returns true if the list of plugins is up to date.
   bool GetPluginsNoRefresh(std::vector<WebPluginInfo>* plugins);
 
   // Returns a list in |info| containing plugins that are found for
   // the given url and mime type (including disabled plugins, for
   // which |info->enabled| is false).  The mime type which corresponds
   // to the URL is optionally returned back in |actual_mime_types| (if
   // it is non-NULL), one for each of the plugin info objects found.
   // The |allow_wildcard| parameter controls whether this function
   // returns plugins which support wildcard mime types (* as the mime
   // type).  The |info| parameter is required to be non-NULL.  The
@@ skipping 60 matching lines @@
   // Removes |plugin_path| from the list of extra plugin paths. Should only be
   // called while holding |lock_|.
   void RemoveExtraPluginPathLocked(const base::FilePath& plugin_path);
 
   //
   // Internals
   //
 
   // States whether we will load the plugin list the next time we try to access
   // it, whether we are currently in the process of loading it, or whether we
-  // consider it up-to-date.
+  // consider it up to date.
   LoadingState loading_state_;
 
   // Extra plugin paths that we want to search when loading.
   std::vector<base::FilePath> extra_plugin_paths_;
 
   // Holds information about internal plugins.
   std::vector<WebPluginInfo> internal_plugins_;
 
   // A list holding all plugins.
   std::vector<WebPluginInfo> plugins_list_;
 
   // Callback that is invoked whenever the PluginList will reload the plugins.
   base::Closure will_load_plugins_callback_;
 
   // Need synchronization for the above members since this object can be
   // accessed on multiple threads.
   base::Lock lock_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginList);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_PLUGIN_LIST_H_