Mojo: more idiomatic C++ bindings

mojo/public/cpp/bindings/lib/array.cc

 // Copyright 2013 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 "mojo/public/cpp/bindings/array.h"
 
 namespace mojo {
 
+#if 0
 // static
 String TypeConverter<String, std::string>::ConvertFrom(const std::string& input,
                                                        Buffer* buf) {
   String::Builder result(input.size(), buf);
   if (!input.empty())
     memcpy(&result[0], input.data(), input.size());
   return result.Finish();
 }
 // static
 std::string TypeConverter<String, std::string>::ConvertTo(const String& input) {
   if (input.is_null() || input.size() == 0)
     return std::string();
 
   return std::string(&input[0], &input[0] + input.size());
 }
 
 // static
 String TypeConverter<String, const char*>::ConvertFrom(const char* input,
                                                        Buffer* buf) {
   if (!input)
     return String();
 
   size_t size = strlen(input);
   String::Builder result(size, buf);
   if (size != 0)
     memcpy(&result[0], input, size);
   return result.Finish();
 }
+#endif
 
 }  // namespace mojo