Docserver: separate models for apps and extensions

extensions/common/api/runtime.json

 // 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.
 
 // Note: Many of these functions and events are implemented by hand and should
 // not elicit any code generation from the schema compiler. These items are
 // marked "nocompile."
 [
   {
     "namespace": "runtime",
@@ skipping 17 matching lines @@
           }
         },
         "additionalProperties": { "type": "any"}
       },
       {
         "id": "MessageSender",
         "type": "object",
         "nocompile": true,
         "description": "An object containing information about the script context that sent a message or request.",
         "properties": {
-          "tab": {"$ref": "tabs.Tab", "optional": true, "description": "The $(ref:tabs.Tab) which opened the connection, if any. This property will <strong>only</strong> be present when the connection was opened from a tab (including content scripts), and <strong>only</strong> if the receiver is an extension, not an app."},
+          "tab": {"$ref": "tabs.Tab", "optional": true, "description": "The $(ref:tabs.Tab) which opened the connection, if any. This property will <strong>only</strong> be present when the connection was opened from a tab (including content scripts), and <strong>only</strong> if the receiver is an extension, not an app.", "extension_types": ["extension", "legacy_packaged_app"]},
           "id": {"type": "string", "optional": true, "description": "The ID of the extension or app that opened the connection, if any."},
           "url": {"type": "string", "optional": true, "description": "The URL of the page or frame that opened the connection, if any. This property will <strong>only</strong> be present when the connection was opened from a tab or content script."},
           "tlsChannelId": {"type": "string", "optional": true, "description": "The TLS channel ID of the web page that opened the connection, if requested by the extension or app, and if available."}
         }
       },
       {
         "id": "PlatformInfo",
         "type": "object",
         "description": "An object containing information about the current platform.",
         "properties": {
@@ skipping 429 matching lines @@
             "type": "string",
             "name": "reason",
             "description": "The reason that the event is being dispatched. 'app_update' is used when the restart is needed because the application is updated to a newer version. 'os_update' is used when the restart is needed because the browser/OS is updated to a newer version. 'periodic' is used when the system runs for more than the permitted uptime set in the enterprise policy.",
             "enum": ["app_update", "os_update", "periodic"]
           }
         ]
       }
     ]
   }
 ]