[Extensions API] Remove inline enums

chrome/common/extensions/api/chromeos_info_private.json

 // 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.
 
 [
   {
     "namespace": "chromeosInfoPrivate",
     "description": "none",
     "compiler_options": {
       "implemented_in": "chrome/browser/chromeos/extensions/info_private_api.h"
     },
+    "types": [
+      {
+        "id": "PropertyName",
+        "type": "string",
+        "enum": ["timezone",
+                 "a11yLargeCursorEnabled",
+                 "a11yStickyKeysEnabled",
+                 "a11ySpokenFeedbackEnabled",
+                 "a11yHighContrastEnabled",
+                 "a11yScreenMagnifierEnabled",
+                 "a11yAutoClickEnabled",
+                 "a11yVirtualKeyboardEnabled",
+                 "sendFunctionKeys"],
+        "description": "Chrome OS system property name"
+      }
+    ],
     "functions": [
       {
         "name": "get",
         "description": "Fetches customization values for the given property names. See property names in the declaration of the returned dictionary.",
         "type": "function",
         "parameters": [
           {
             "name": "propertyNames",
             "type": "array",
             "description": "Chrome OS Property names",
@@ skipping 39 matching lines @@
           }
         ]
       },
       {
         "name": "set",
         "description": "Sets values for the given system property.",
         "type": "function",
         "parameters": [
           {
             "name": "propertyName",
-            "type": "string",
-            "enum": ["timezone",
-                     "a11yLargeCursorEnabled",
-                     "a11yStickyKeysEnabled",
-                     "a11ySpokenFeedbackEnabled",
-                     "a11yHighContrastEnabled",
-                     "a11yScreenMagnifierEnabled",
-                     "a11yAutoClickEnabled",
-                     "a11yVirtualKeyboardEnabled",
-                     "sendFunctionKeys"],
+            "$ref": "PropertyName",
             "description": "Chrome OS system property name"
           },
           {
             "name": "propertyValue",
             "type": "any",
             "description": "Chrome OS system property value"
           }
         ]
       }
     ]
   }
 ]