CPM Extension Uninstall Watching

chrome/browser/extensions/state_store.cc

 // 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.
 
 #include "chrome/browser/extensions/state_store.h"
 
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/extensions/extension.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
@@ skipping 45 matching lines @@
   store_.Set(GetFullKey(extension_id, key), value.Pass());
 }
 
 void StateStore::Observe(int type,
                          const content::NotificationSource& source,
                          const content::NotificationDetails& details) {
   std::string extension_id;
 
   switch (type) {
     case chrome::NOTIFICATION_EXTENSION_INSTALLED:
+    case chrome::NOTIFICATION_EXTENSION_UNINSTALLED:
       extension_id = content::Details<const Extension>(details).ptr()->id();
       break;
-    case chrome::NOTIFICATION_EXTENSION_UNINSTALLED:
-      extension_id =
-          *content::Details<const std::string>(details).ptr();
-      break;
     default:
       NOTREACHED();
       return;
   }
 
   for (std::set<std::string>::iterator key = registered_keys_.begin();
        key != registered_keys_.end(); ++key) {
     store_.Remove(GetFullKey(extension_id, *key));
   }
 }
 
 }  // namespace extensions