Add an installType property to the management API

chrome/common/extensions/api/management.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":"management",
     "types": [
       {
         "id": "IconInfo",
@@ skipping 80 matching lines @@
             "items" : {
               "type": "string"
             }
           },
           "hostPermissions": {
             "description": "Returns a list of host based permissions.",
             "type": "array",
             "items" : {
               "type": "string"
             }
+          },
+          "installType": {
+            "description": "How the extension was installed (\"normal\", \"development\", \"sideload\"). \"normal\" means the extension was installed normally via a crx file. \"development\" means the extension was loaded unpacked in developer mode. \"sideload\" means the extension was installed externally.",

[Aaron Boodman, 2012/07/10 22:19:14]

"sideload" means the extension was installed by other software on the machine.

[mitchellwrosen, 2012/07/31 18:05:41]

Done.

+            "type": "string"
           }
         }
       }
     ],
     "functions": [
       {
         "name": "getAll",
         "description": "Returns a list of information about installed extensions and apps.",
         "parameters": [
           {
@@ skipping 175 matching lines @@
       },
       {
         "name": "onDisabled",
         "description": "Fired when an app or extension has been disabled",
         "type": "function",
         "parameters": [{"name": "info", "$ref":"ExtensionInfo"}]
       }
     ]
   }
 ]