Implemented the rest of loading/parsing logic for extension i18n:...

chrome/browser/extensions/extension_ui_unittest.cc

 // Copyright (c) 2006-2009 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/path_service.h"
 #include "base/string_util.h"
 #include "chrome/browser/extensions/extensions_ui.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/json_value_serializer.h"
@@ skipping 40 matching lines @@
     // Produce test output.
     scoped_ptr<DictionaryValue> actual_output_data(
         ExtensionsDOMHandler::CreateExtensionDetailValue(&extension, pages,
                                                          true));
 
     // Compare the outputs.
     return expected_output_data->Equals(actual_output_data.get());
   }
 }  // namespace
 
-class ExtensionUITest : public testing::Test {
-};
-
 TEST(ExtensionUITest, GenerateExtensionsJSONData) {
   FilePath data_test_dir_path, extension_path, expected_output_path;
   EXPECT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &data_test_dir_path));
 
   // Test Extension1
   extension_path = data_test_dir_path.AppendASCII("extensions")
       .AppendASCII("good")
       .AppendASCII("Extensions")
       .AppendASCII("behllobkkfkfnphdnhnkndlbkcpglgmj")
       .AppendASCII("1.0.0.0");
@@ skipping 42 matching lines @@
   expected_output_path = data_test_dir_path.AppendASCII("extensions")
       .AppendASCII("ui")
       .AppendASCII("create_extension_detail_value_expected_output")
       .AppendASCII("good-extension3.json");
 
   pages.clear();
 
   EXPECT_TRUE(CompareExpectedAndActualOutput(extension_path, pages,
       expected_output_path)) << extension_path.value();
 }