Move extension_error_utils.* and url_pattern_set.* into

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 40 matching lines @@
     }
     return new ExtensionInstallPrompt(web_contents);
   }
 }
 
 bool OffStoreInstallAllowedByPrefs(Profile* profile, const DownloadItem& item) {
   extensions::ExtensionPrefs* prefs = extensions::ExtensionSystem::Get(
       profile)->extension_service()->extension_prefs();
   CHECK(prefs);
 
-  URLPatternSet url_patterns = prefs->GetAllowedInstallSites();
+  extensions::URLPatternSet url_patterns = prefs->GetAllowedInstallSites();
 
   // TODO(aa): RefererURL is cleared in some cases, for example when going
   // between secure and non-secure URLs. It would be better if DownloadItem
   // tracked the initiating page explicitly.
   return url_patterns.MatchesURL(item.GetURL()) &&
       url_patterns.MatchesURL(item.GetReferrerUrl());
 }
 
 }  // namespace
 
@@ skipping 54 matching lines @@
   if (download_item.GetMimeType() == extensions::Extension::kMimeType ||
       extensions::UserScript::IsURLUserScript(download_item.GetURL(),
                                               download_item.GetMimeType())) {
     return true;
   } else {
     return false;
   }
 }
 
 }  // namespace download_crx_util