[extensions] Remove unnecessary checks in IsSensitiveURL

extensions/test/test_extensions_client.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 "extensions/test/test_extensions_client.h"
 
 #include "base/stl_util.h"
 #include "extensions/common/api/generated_schemas.h"
 #include "extensions/common/common_manifest_handlers.h"
 #include "extensions/common/extension_urls.h"
@@ skipping 138 matching lines @@
 
 std::string TestExtensionsClient::GetWebstoreBaseURL() const {
   return extension_urls::kChromeWebstoreBaseURL;
 }
 
 std::string TestExtensionsClient::GetWebstoreUpdateURL() const {
   return extension_urls::kChromeWebstoreUpdateURL;
 }
 
 bool TestExtensionsClient::IsBlacklistUpdateURL(const GURL& url) const {
-  return true;
+  return false;
 }
 
 std::set<base::FilePath> TestExtensionsClient::GetBrowserImagePaths(
     const Extension* extension) {
   std::set<base::FilePath> result =
       ExtensionsClient::GetBrowserImagePaths(extension);
   for (auto* filter : browser_image_filters_)
     filter->Filter(extension, &result);
   return result;
 }
 
 }  // namespace extensions