Warn user in case extension delays network traffic too much.

chrome/browser/extensions/extension_ui_unittest.cc

 // Copyright (c) 2011 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 "base/json/json_value_serializer.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
 #include "chrome/browser/ui/webui/options/extension_settings_handler.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/extensions/extension.h"
@@ skipping 22 matching lines @@
         manifest_path, &error));
     EXPECT_EQ("", error);
 
     scoped_refptr<Extension> extension(Extension::Create(
         extension_path, location, *extension_data,
         Extension::REQUIRE_KEY | Extension::STRICT_ERROR_CHECKS, &error));
     EXPECT_TRUE(extension.get());
     EXPECT_EQ("", error);
 
     return ExtensionSettingsHandler::CreateExtensionDetailValue(
-        NULL, extension.get(), pages, true, false);
+        NULL, extension.get(), pages, NULL, true, false);
   }
 
 
   static void CompareExpectedAndActualOutput(
       const FilePath& extension_path,
       const std::vector<ExtensionPage>& pages,
       const FilePath& expected_output_path) {
     std::string error;
 
     scoped_ptr<DictionaryValue> expected_output_data(DeserializeJSONTestData(
@@ skipping 169 matching lines @@
   scoped_ptr<DictionaryValue> extension_details(
       CreateExtensionDetailViewFromPath(
           extension_path, pages, Extension::LOAD));
 
   FilePath::StringType ui_path;
 
   EXPECT_TRUE(extension_details->GetString("path", &ui_path));
   EXPECT_EQ(extension_path, FilePath(ui_path));
 }