Mojo C++ bindings: switch the remaining callsites of the old serialization interface.

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

-// Copyright 2016 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/lib/wtf_string_serialization.h"
-
-#include "mojo/public/cpp/bindings/lib/serialization.h"
-#include "mojo/public/cpp/bindings/lib/wtf_serialization.h"
-#include "mojo/public/cpp/bindings/string.h"
-#include "third_party/WebKit/Source/wtf/text/WTFString.h"
-
-namespace WTF {
-
-size_t GetSerializedSize_(const WTF::String& input,
-                          mojo::internal::SerializationContext* context) {
-  return mojo::internal::PrepareToSerialize<mojo::String>(input, context);
-}
-
-void Serialize_(const WTF::String& input,
-                mojo::internal::Buffer* buf,
-                mojo::internal::String_Data** output,
-                mojo::internal::SerializationContext* context) {
-  mojo::internal::Serialize<mojo::String>(input, buf, output, context);
-}
-
-bool Deserialize_(mojo::internal::String_Data* input,
-                  WTF::String* output,
-                  mojo::internal::SerializationContext* context) {
-  return mojo::internal::Deserialize<mojo::String>(input, output, context);
-}
-
-}  // namespace WTF