Change extension unload notification to indicate updates....

chrome/browser/extensions/user_script_master.cc

 // Copyright (c) 2010 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/user_script_master.h"
 
 #include <string>
 #include <vector>
 
 #include "base/file_path.h"
@@ skipping 338 matching lines @@
         lone_scripts_.push_back(*iter);
         lone_scripts_.back().set_incognito_enabled(incognito_enabled);
         lone_scripts_.back().set_allow_file_access(allow_file_access);
       }
       if (extensions_service_ready_)
         StartScan();
       break;
     }
     case NotificationType::EXTENSION_UNLOADED: {
       // Remove any content scripts.
-      const Extension* extension = Details<const Extension>(details).ptr();
+      const Extension* extension =
+          Details<UnloadedExtensionInfo>(details)->extension;
       UserScriptList new_lone_scripts;
       for (UserScriptList::iterator iter = lone_scripts_.begin();
            iter != lone_scripts_.end(); ++iter) {
         if (iter->extension_id() != extension->id())
           new_lone_scripts.push_back(*iter);
       }
       lone_scripts_ = new_lone_scripts;
       StartScan();
 
       // TODO(aa): Do we want to do something smarter for the scripts that have
@@ skipping 23 matching lines @@
       DCHECK(false);
   }
 }
 
 void UserScriptMaster::StartScan() {
   if (!script_reloader_)
     script_reloader_ = new ScriptReloader(this);
 
   script_reloader_->StartScan(user_script_dir_, lone_scripts_);
 }