Move UserScript and related into extensions namespace

chrome/browser/download/download_crx_util.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.
 //
 // Download code which handles CRX files (extensions, themes, apps, ...).
 
 #include "chrome/browser/download/download_util.h"
 #include "chrome/browser/extensions/crx_installer.h"
 #include "chrome/browser/extensions/extension_install_prompt.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 73 matching lines @@
           WebstoreInstaller::GetAssociatedApproval(download_item)));
 
   installer->set_delete_source(true);
   installer->set_install_cause(extension_misc::INSTALL_CAUSE_USER_DOWNLOAD);
 
   if (OffStoreInstallAllowedByPrefs(profile, download_item)) {
     installer->set_off_store_install_allow_reason(
         CrxInstaller::OffStoreInstallAllowedBecausePref);
   }
 
-  if (UserScript::IsURLUserScript(download_item.GetURL(),
-                                  download_item.GetMimeType())) {
+  if (extensions::UserScript::IsURLUserScript(download_item.GetURL(),
+                                              download_item.GetMimeType())) {
     installer->InstallUserScript(download_item.GetFullPath(),
                                  download_item.GetURL());
   } else {
     bool is_gallery_download =
         WebstoreInstaller::GetAssociatedApproval(download_item) != NULL;
     installer->set_original_mime_type(download_item.GetOriginalMimeType());
     installer->set_apps_require_extension_mime_type(true);
     installer->set_download_url(download_item.GetURL());
     installer->set_is_gallery_install(is_gallery_download);
     if (is_gallery_download)
       installer->set_original_download_url(download_item.GetOriginalUrl());
     installer->set_allow_silent_install(is_gallery_download);
     installer->InstallCrx(download_item.GetFullPath());
   }
 
   return installer;
 }
 
 bool IsExtensionDownload(const DownloadItem& download_item) {
   if (download_item.GetTargetDisposition() ==
       DownloadItem::TARGET_DISPOSITION_PROMPT)
     return false;
 
   if (download_item.GetMimeType() == extensions::Extension::kMimeType ||
-      UserScript::IsURLUserScript(download_item.GetURL(),
-                                  download_item.GetMimeType())) {
+      extensions::UserScript::IsURLUserScript(download_item.GetURL(),
+                                              download_item.GetMimeType())) {
     return true;
   } else {
     return false;
   }
 }
 
 }  // namespace download_crx_util