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

chrome/browser/resources/plugin_metadata/plugins_win.json

 {
   "x-version": 29,
   "google-talk": {
     "mime_types": [
     ],
     "versions": [
       {
         "version": "0",
         "status": "requires_authorization",
         "comment": "'Google Talk Plugin' and 'Google Talk Plugin Video Accelerator' use two completely different versioning schemes, so we can't define a minimum version."
@@ skipping 348 matching lines @@
     "name": "Chromium PDF Viewer",
     "group_name_matcher": "*Chromium PDF Viewer*"
   },
   "google-update": {
     "mime-types": [
     ],
     "versions": [
       {
         "version": "0",
         "status": "requires_authorization",
-        "comment": "Google Update plugin is versioned but kept automatically up-to-date"
+        "comment": "Google Update plugin is versioned but kept automatically up to date"
       }
     ],
     "name": "Google Update",
     "group_name_matcher": "Google Update"
   },
   "facebook-video-calling": {
     "mime_types": [
       "application/skypesdk-plugin"
     ],
     "versions": [
@@ skipping 18 matching lines @@
         "status": "requires_authorization",
         "comment": "We do not track version information for the Google Earth Plugin."
       }
     ],
     "lang": "en-US",
     "name": "Google Earth",
     "url": "http://www.google.com/earth/explore/products/plugin.html",
     "group_name_matcher": "*Google Earth*"
   }
 }