Reland: Refactor ExtensionManifestTest to allow usage in src/extensions

extensions/common/test_util.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/common/test_util.h"
 
-#include "base/json/json_reader.h"
-#include "base/values.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/extension_builder.h"
 #include "extensions/common/value_builder.h"
-#include "testing/gtest/include/gtest/gtest.h"
 
 namespace extensions {
 namespace test_util {
 
 ExtensionBuilder& BuildExtension(ExtensionBuilder& builder) {
   return builder
          .SetManifest(DictionaryBuilder()
                       .Set("name", "Test extension")
                       .Set("version", "1.0")
                       .Set("manifest_version", 2));
 }
 
 scoped_refptr<Extension> CreateEmptyExtension() {
   scoped_refptr<Extension> empty_extension(
       ExtensionBuilder()
           .SetManifest(
                DictionaryBuilder().Set("name", "Test").Set("version", "1.0"))
           .Build());
   return empty_extension;
 }
 
 scoped_refptr<Extension> CreateExtensionWithID(const std::string& id) {
   return ExtensionBuilder()
       .SetManifest(
            DictionaryBuilder().Set("name", "test").Set("version", "0.1"))
       .SetID(id)
       .Build();
 }
 
-scoped_ptr<base::DictionaryValue> ParseJsonDictionaryWithSingleQuotes(
-    std::string json) {
-  std::replace(json.begin(), json.end(), '\'', '"');
-  std::string error_msg;
-  scoped_ptr<base::Value> result(base::JSONReader::ReadAndReturnError(
-      json, base::JSON_ALLOW_TRAILING_COMMAS, NULL, &error_msg));
-  scoped_ptr<base::DictionaryValue> result_dict;
-  if (result && result->IsType(base::Value::TYPE_DICTIONARY)) {
-    result_dict.reset(static_cast<base::DictionaryValue*>(result.release()));
-  } else {
-    ADD_FAILURE() << "Failed to parse \"" << json << "\": " << error_msg;
-    result_dict.reset(new base::DictionaryValue());
-  }
-  return result_dict.Pass();
-}
-
 }  // namespace test_util
 }  // namespace extensions