Change extension unload notification to indicate updates....

chrome/browser/plugin_service.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 "build/build_config.h"
 
 #include "chrome/browser/plugin_service.h"
 
 #include "base/command_line.h"
 #include "base/path_service.h"
@@ skipping 335 matching lines @@
         plugins_changed = true;
         if (!plugin.is_public)
           private_plugins_[plugin.path] = extension->url();
       }
       if (plugins_changed)
         PurgePluginListCache(false);
       break;
     }
 
     case NotificationType::EXTENSION_UNLOADED: {
-      const Extension* extension = Details<const Extension>(details).ptr();
+      const Extension* extension =
+          Details<UnloadedExtensionInfo>(details)->extension;
       bool plugins_changed = false;
       for (size_t i = 0; i < extension->plugins().size(); ++i) {
         const Extension::PluginInfo& plugin = extension->plugins()[i];
         BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
                                 NewRunnableFunction(&ForceShutdownPlugin,
                                                     plugin.path));
         webkit::npapi::PluginList::Singleton()->RefreshPlugins();
         webkit::npapi::PluginList::Singleton()->RemoveExtraPluginPath(
             plugin.path);
         plugins_changed = true;
@@ skipping 53 matching lines @@
     info.mime_types = ASCIIToWide(JoinString(plugins[i].mime_types, '|'));
 
     // These NPAPI entry points will never be called.  TODO(darin): Come up
     // with a cleaner way to register pepper plugins with the NPAPI PluginList,
     // or perhaps refactor the PluginList to be less specific to NPAPI.
     memset(&info.entry_points, 0, sizeof(info.entry_points));
 
     webkit::npapi::PluginList::Singleton()->RegisterInternalPlugin(info);
   }
 }