Extract LazyBackgroundTaskQueue from ExtensionSystem.

chrome/browser/chromeos/file_manager/file_browser_handlers.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/chromeos/file_manager/file_browser_handlers.h"
 
 #include <algorithm>
 #include <set>
 
 #include "base/bind.h"
@@ skipping 14 matching lines @@
 #include "chrome/common/extensions/api/file_manager_private.h"
 #include "chromeos/chromeos_switches.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/child_process_security_policy.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/browser/web_contents.h"
 #include "extensions/browser/event_router.h"
 #include "extensions/browser/extension_host.h"
 #include "extensions/browser/extension_registry.h"
-#include "extensions/browser/extension_system.h"
 #include "extensions/browser/extension_util.h"
 #include "extensions/browser/lazy_background_task_queue.h"
 #include "extensions/common/extension_set.h"
 #include "extensions/common/manifest_handlers/background_info.h"
 #include "extensions/common/url_pattern.h"
 #include "net/base/escape.h"
 #include "storage/browser/fileapi/file_system_context.h"
 #include "storage/browser/fileapi/file_system_url.h"
 #include "storage/common/fileapi/file_system_info.h"
 #include "storage/common/fileapi/file_system_util.h"
@@ skipping 296 matching lines @@
   }
 
   if (handler_pid > 0) {
     SetupPermissionsAndDispatchEvent(file_definition_list.Pass(),
                                      entry_definition_list.Pass(),
                                      handler_pid,
                                      NULL);
   } else {
     // We have to wake the handler background page before we proceed.
     extensions::LazyBackgroundTaskQueue* queue =
-        extensions::ExtensionSystem::Get(profile_)->
-        lazy_background_task_queue();
+        extensions::LazyBackgroundTaskQueue::Get(profile_);
     if (!queue->ShouldEnqueueTask(profile_, extension_.get())) {
       ExecuteDoneOnUIThread(false);
       return;
     }
     queue->AddPendingTask(
         profile_,
         extension_->id(),
         base::Bind(
             &FileBrowserHandlerExecutor::SetupPermissionsAndDispatchEvent,
             weak_ptr_factory_.GetWeakPtr(),
@@ skipping 166 matching lines @@
       if (common_handlers.empty())
         return FileBrowserHandlerList();
     }
   }
 
   return common_handlers;
 }
 
 }  // namespace file_browser_handlers
 }  // namespace file_manager