Add "UninstallReason" parameter to ExtensionRegistryObserver::OnExtensionUninstalled.

chrome/browser/ui/app_list/extension_uninstaller.cc

 // Copyright 2013 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/ui/app_list/extension_uninstaller.h"
 
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/app_list/app_list_controller_delegate.h"
 #include "extensions/browser/extension_system.h"
+#include "extensions/browser/uninstall_reason.h"
 #include "extensions/common/extension.h"
 
 ExtensionUninstaller::ExtensionUninstaller(
     Profile* profile,
     const std::string& extension_id,
     AppListControllerDelegate* controller)
     : profile_(profile),
       app_id_(extension_id),
       controller_(controller) {
 }
@@ skipping 15 matching lines @@
   dialog_->ConfirmUninstall(extension);
 }
 
 void ExtensionUninstaller::ExtensionUninstallAccepted() {
   ExtensionService* service =
       extensions::ExtensionSystem::Get(profile_)->extension_service();
   const extensions::Extension* extension =
       service->GetInstalledExtension(app_id_);
   if (extension) {
     service->UninstallExtension(
-        app_id_, ExtensionService::UNINSTALL_REASON_USER_INITIATED, NULL);
+        app_id_, extensions::UNINSTALL_REASON_USER_INITIATED, NULL);
   }
   controller_->OnCloseChildDialog();
   CleanUp();
 }
 
 void ExtensionUninstaller::ExtensionUninstallCanceled() {
   controller_->OnCloseChildDialog();
   CleanUp();
 }
 
 void ExtensionUninstaller::CleanUp() {
   delete this;
 }