[Extensions API] Remove inline enums

chrome/common/extensions/api/webstore_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":"webstorePrivate",
     "description": "none",
     "types": [
       {
@@ skipping 48 matching lines @@
           "name": "icon_error",
           "description": "Failed to retrieve the extension's icon from the Web Store, or the icon was invalid"
         }, {
           "name": "invalid_icon_url",
           "description": "An invalid icon URL was provided"
         }, {
           "name": "already_installed",
           "description": "The extension is already installed"
         }],
         "description": "Whether the API call succeeded, or the reason for failure."
+      },
+      {
+        "id": "WebGlStatus",
+        "type": "string",
+        "enum": ["webgl_allowed", "webgl_blocked"]
       }
     ],
     "functions": [
       {
         "name": "install",
         "nocompile": true,
         "description": "Installs the extension corresponding to the given id",
         "parameters": [
           {
             "name": "expected_id",
@@ skipping 216 matching lines @@
         "name": "getWebGLStatus",
         "description": "Invokes a callback that returns whether WebGL is blacklisted or not.",
         "parameters": [
           {
             "name": "callback",
             "type": "function",
             "optional": false,
             "parameters": [
               {
                 "name": "webgl_status",
-                "type": "string",
-                "enum": ["webgl_allowed", "webgl_blocked"]
+                "$ref": "WebGlStatus"
               }
             ]
           }
         ]
       },
       {
         "name": "getIsLauncherEnabled",
         "description": "Returns whether the apps launcher is enabled or not.",
         "parameters": [
           {
@@ skipping 53 matching lines @@
                 "$ref": "Result",
                 "description": "Whether an attempt to launch an app succeeded, or the reason for failure."
               }
             ]
           }
         ]
       }
     ]
   }
 ]