win: Implementation of CrashReportDatabase for Windows (for C++ Windows readability review)

util/misc/uuid.cc

 // Copyright 2014 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 82 matching lines @@
                             data_4[1],
                             data_5[0],
                             data_5[1],
                             data_5[2],
                             data_5[3],
                             data_5[4],
                             data_5[5]);
 }
 
 #if defined(OS_WIN)
-std::wstring UUID::ToWideString() const {
+base::string16 UUID::ToString16() const {
   return base::UTF8ToUTF16(ToString());
 }
 #endif  // OS_WIN
 
 }  // namespace crashpad