Remove deprecated wstring Get(As)String() methods from Value, etc.

chrome/browser/dom_ui/dom_ui.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 "chrome/browser/dom_ui/dom_ui.h"
 
 #include "base/i18n/rtl.h"
 #include "base/json/json_writer.h"
 #include "base/stl_util-inl.h"
 #include "base/string_number_conversions.h"
@@ skipping 158 matching lines @@
     const ListValue* list_value = static_cast<const ListValue*>(value);
     std::string string_value;
     if (list_value->GetString(0, &string_value)) {
       base::StringToInt(string_value, out_int);
       return true;
     }
   }
   return false;
 }
 
+// TODO(viettrungluu): convert to string16 (or UTF-8 std::string?).
 std::wstring DOMMessageHandler::ExtractStringValue(const Value* value) {
   if (value && value->GetType() == Value::TYPE_LIST) {
     const ListValue* list_value = static_cast<const ListValue*>(value);
-    std::wstring wstring_value;
-    if (list_value->GetString(0, &wstring_value))
-      return wstring_value;
+    string16 string16_value;
+    if (list_value->GetString(0, &string16_value))
+      return UTF16ToWideHack(string16_value);
   }
   return std::wstring();
 }