Mojo: more idiomatic C++ bindings

mojo/geometry/geometry_type_converters.cc

 // Copyright 2014 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/geometry/geometry_type_converters.h"
 
 namespace mojo {
 
 // static
-Point TypeConverter<Point, gfx::Point>::ConvertFrom(const gfx::Point& input,
-                                                    Buffer* buf) {
-  Point::Builder point(buf);
-  point.set_x(input.x());
-  point.set_y(input.y());
-  return point.Finish();
+PointPtr TypeConverter<PointPtr, gfx::Point>::ConvertFrom(
+    const gfx::Point& input) {
+  PointPtr point(Point::New());
+  point->x = input.x();
+  point->y = input.y();
+  return point.Pass();
 }
 
 // static
-gfx::Point TypeConverter<Point, gfx::Point>::ConvertTo(const Point& input) {
-  return gfx::Point(input.x(), input.y());
+gfx::Point TypeConverter<PointPtr, gfx::Point>::ConvertTo(
+    const PointPtr& input) {
+  return gfx::Point(input->x, input->y);
 }
 
 // static
-Size TypeConverter<Size, gfx::Size>::ConvertFrom(const gfx::Size& input,
-                                                 Buffer* buf) {
-  Size::Builder size(buf);
-  size.set_width(input.width());
-  size.set_height(input.height());
-  return size.Finish();
+SizePtr TypeConverter<SizePtr, gfx::Size>::ConvertFrom(const gfx::Size& input) {
+  SizePtr size(Size::New());
+  size->width = input.width();
+  size->height = input.height();
+  return size.Pass();
 }
 
 // static
-gfx::Size TypeConverter<Size, gfx::Size>::ConvertTo(const Size& input) {
-  return gfx::Size(input.width(), input.height());
+gfx::Size TypeConverter<SizePtr, gfx::Size>::ConvertTo(const SizePtr& input) {
+  return gfx::Size(input->width, input->height);
 }
 
 // static
-Rect TypeConverter<Rect, gfx::Rect>::ConvertFrom(const gfx::Rect& input,
-                                                 Buffer* buf) {
-  Rect::Builder rect(buf);
-  rect.set_position(input.origin());
-  rect.set_size(input.size());
-  return rect.Finish();
+RectPtr TypeConverter<RectPtr, gfx::Rect>::ConvertFrom(const gfx::Rect& input) {
+  RectPtr rect(Rect::New());
+  rect->position = Point::From(input.origin());
+  rect->size = Size::From(input.size());
+  return rect.Pass();
 }
 
 // static
-gfx::Rect TypeConverter<Rect, gfx::Rect>::ConvertTo(const Rect& input) {
-  return gfx::Rect(input.position().x(), input.position().y(),
-                    input.size().width(), input.size().height());
+gfx::Rect TypeConverter<RectPtr, gfx::Rect>::ConvertTo(const RectPtr& input) {
+  return gfx::Rect(input->position->x, input->position->y,
+                   input->size->width, input->size->height);
 }
 
 }  // namespace mojo