Add utf_string_conversions to base namespace.

chrome/common/json_value_serializer_unittest.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.
 
 #include "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_string_value_serializer.h"
@@ skipping 104 matching lines @@
 
   // Test JSONValueSerializer interface (uses JSONWriter).
   JSONStringValueSerializer serializer(&output_js);
   ASSERT_TRUE(serializer.Serialize(valueRoot));
   ASSERT_EQ(expected_output, output_js);
 }
 
 TEST(JSONValueSerializerTest, UnicodeStrings) {
   // unicode string json -> escaped ascii text
   DictionaryValue root;
-  string16 test(WideToUTF16(L"\x7F51\x9875"));
+  string16 test(base::WideToUTF16(L"\x7F51\x9875"));
   root.SetString("web", test);
 
   std::string expected = "{\"web\":\"\\u7F51\\u9875\"}";
 
   std::string actual;
   JSONStringValueSerializer serializer(&actual);
   ASSERT_TRUE(serializer.Serialize(root));
   ASSERT_EQ(expected, actual);
 
   // escaped ascii text -> json
   JSONStringValueSerializer deserializer(expected);
   scoped_ptr<Value> deserial_root(deserializer.Deserialize(NULL, NULL));
   ASSERT_TRUE(deserial_root.get());
   DictionaryValue* dict_root =
       static_cast<DictionaryValue*>(deserial_root.get());
   string16 web_value;
   ASSERT_TRUE(dict_root->GetString("web", &web_value));
   ASSERT_EQ(test, web_value);
 }
 
 TEST(JSONValueSerializerTest, HexStrings) {
   // hex string json -> escaped ascii text
   DictionaryValue root;
-  string16 test(WideToUTF16(L"\x01\x02"));
+  string16 test(base::WideToUTF16(L"\x01\x02"));
   root.SetString("test", test);
 
   std::string expected = "{\"test\":\"\\u0001\\u0002\"}";
 
   std::string actual;
   JSONStringValueSerializer serializer(&actual);
   ASSERT_TRUE(serializer.Serialize(root));
   ASSERT_EQ(expected, actual);
 
   // escaped ascii text -> json
@@ skipping 170 matching lines @@
   base::FilePath source_file_path;
   ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &source_file_path));
   source_file_path = source_file_path.Append(
       FILE_PATH_LITERAL("serializer_test_nowhitespace.js"));
   ASSERT_TRUE(file_util::PathExists(source_file_path));
   JSONFileValueSerializer serializer(source_file_path);
   scoped_ptr<Value> root;
   root.reset(serializer.Deserialize(NULL, NULL));
   ASSERT_TRUE(root.get());
 }