Send an onInstalled event for shared module update

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 334 matching lines @@
         "name": "onInstalled",
         "type": "function",
         "description": "Fired when the extension is first installed, when the extension is updated to a new version, and when Chrome is updated to a new version.",
         "parameters": [
           {
             "type": "object",
             "name": "details",
             "properties": {
               "reason": {
                 "type": "string",
-                "enum": ["install", "update", "chrome_update"],
+                "enum": ["install", "update", "chrome_update", "shared_module_update"],
                 "description": "The reason that this event is being dispatched."
               },
               "previousVersion": {
                 "type": "string",
                 "optional": true,
                 "description": "Indicates the previous version of the extension, which has just been updated. This is present only if 'reason' is 'update'."
+              },
+              "id": {
+                "type": "string",
+                "optional": true,
+                "description": "Indicates the ID of the imported shared module extension which updated. This is present only if 'reason' is 'shared_module_update'."
               }
             }
           }
         ]
       },
       {
         "name": "onSuspend",
         "type": "function",
         "description": "Sent to the event page just before it is unloaded. This gives the extension opportunity to do some clean up. Note that since the page is unloading, any asynchronous operations started while handling this event are not guaranteed to complete. If more activity for the event page occurs before it gets unloaded the onSuspendCanceled event will be sent and the page won't be unloaded. "
       },
@@ skipping 101 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"]
           }
         ]
       }
     ]
   }
 ]