Convert wstring/wchar_t* in chrome/renderer to std::string/char* or string16.

chrome/renderer/extensions/extension_api_json_validity_unittest.cc

 // Copyright (c) 2010 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/file_path.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/scoped_ptr.h"
 #include "chrome/common/json_value_serializer.h"
 #include "chrome/common/chrome_paths.h"
@@ skipping 88 matching lines @@
 
   // As a basic smoke test that the JSON we read is reasonable, find the
   // definition of the functions chrome.test.log() and
   // chrome.test.notifyPass().
   DictionaryValue* test_namespace_dict;
   ASSERT_TRUE(FindDictionaryWithProperyValue(
       root_list, "namespace", "test", &test_namespace_dict, &error_message))
       << error_message;
 
   ListValue* functions_list;
-  ASSERT_TRUE(test_namespace_dict->GetList(L"functions", &functions_list))
+  ASSERT_TRUE(test_namespace_dict->GetList("functions", &functions_list))
               << "Namespace 'test' should define some functions.";
 
   EXPECT_TRUE(FindDictionaryWithProperyValue(
       functions_list, "name", "log", NULL, &error_message))
       << error_message;
 
   EXPECT_TRUE(FindDictionaryWithProperyValue(
       functions_list, "name", "notifyPass", NULL, &error_message))
       << error_message;
 }
@@ skipping 13 matching lines @@
       bindings_utils::GetStringResource<IDR_EXTENSION_API_JSON>();
 
   // Create a global variable holding the text of extension_api.json .
   SetGlobalStringVar("ext_api_json_text", ext_api_string);
 
   // Parse the text of extension_api.json .  If there is a parse error,
   // an exception will be printed that includes a line number.
   std::string test_js = "var extension_api = JSON.parse(ext_api_json_text);";
   ExecuteScriptInContext(test_js, "ParseExtensionApiJson");
 }