struct UnloadedExtensionInfo -> enum UnloadedExtensionInfoReason

chrome/browser/extensions/extension_system_impl.cc

 // Copyright 2014 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/extension_system_impl.h"
 
 #include <algorithm>
 
 #include "base/base_switches.h"
 #include "base/bind.h"
@@ skipping 443 matching lines @@
   BrowserThread::PostTaskAndReply(
       BrowserThread::IO, FROM_HERE,
       base::BindOnce(&InfoMap::AddExtension, info_map(),
                      base::RetainedRef(extension), install_time,
                      incognito_enabled, notifications_disabled),
       callback);
 }
 
 void ExtensionSystemImpl::UnregisterExtensionWithRequestContexts(
     const std::string& extension_id,
-    const UnloadedExtensionInfo::Reason reason) {
+    const UnloadedExtensionReason reason) {
   BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
                           base::BindOnce(&InfoMap::RemoveExtension, info_map(),
                                          extension_id, reason));
 }
 
 }  // namespace extensions