Move ExtensionHost into extensions namespace

chrome/browser/extensions/lazy_background_task_queue.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/lazy_background_task_queue.h"
 
 #include "base/callback.h"
 #include "base/message_loop.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_process_manager.h"
@@ skipping 125 matching lines @@
 }
 
 void LazyBackgroundTaskQueue::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   switch (type) {
     case chrome::NOTIFICATION_EXTENSION_HOST_DID_STOP_LOADING: {
       // If an on-demand background page finished loading, dispatch queued up
       // events for it.
-      ExtensionHost* host = content::Details<ExtensionHost>(details).ptr();
+      ExtensionHost* host =
+          content::Details<ExtensionHost>(details).ptr();
       if (host->extension_host_type() ==
               chrome::VIEW_TYPE_EXTENSION_BACKGROUND_PAGE) {
         CHECK(host->did_stop_loading());
         ProcessPendingTasks(host, host->profile(), host->extension());
       }
       break;
     }
     case chrome::NOTIFICATION_EXTENSION_HOST_DESTROYED: {
       Profile* profile = content::Source<Profile>(source).ptr();
-      ExtensionHost* host = content::Details<ExtensionHost>(details).ptr();
+      ExtensionHost* host =
+           content::Details<ExtensionHost>(details).ptr();
       if (host->extension_host_type() ==
               chrome::VIEW_TYPE_EXTENSION_BACKGROUND_PAGE) {
         PendingTasksKey key(profile,  host->extension()->id());
         if (pending_page_loads_.count(key) > 0) {
           // We were waiting for the background page to unload. We can start it
           // up again and dispatch any queued events.
           MessageLoop::current()->PostTask(FROM_HERE, base::Bind(
               &LazyBackgroundTaskQueue::StartLazyBackgroundPage,
               AsWeakPtr(), profile, host->extension()->id()));
         } else {
@@ skipping 18 matching lines @@
       }
       break;
     }
     default:
       NOTREACHED();
       break;
   }
 }
 
 }  // namespace extensions