Extract NativeAppWindow from src/extensions

extensions/browser/app_window/size_constraints.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 "extensions/browser/app_window/size_constraints.h"
-
-#include <algorithm>
-
-#include "ui/gfx/insets.h"
-
-namespace extensions {
-
-SizeConstraints::SizeConstraints()
-    : maximum_size_(kUnboundedSize, kUnboundedSize) {}
-
-SizeConstraints::SizeConstraints(const gfx::Size& min_size,
-                                 const gfx::Size& max_size)
-    : minimum_size_(min_size), maximum_size_(max_size) {}
-
-SizeConstraints::~SizeConstraints() {}
-
-// static
-gfx::Size SizeConstraints::AddFrameToConstraints(
-    const gfx::Size& size_constraints,
-    const gfx::Insets& frame_insets) {
-  return gfx::Size(
-      size_constraints.width() == kUnboundedSize
-          ? kUnboundedSize
-          : size_constraints.width() + frame_insets.width(),
-      size_constraints.height() == kUnboundedSize
-          ? kUnboundedSize
-          : size_constraints.height() + frame_insets.height());
-}
-
-gfx::Size SizeConstraints::ClampSize(gfx::Size size) const {
-  const gfx::Size max_size = GetMaximumSize();
-  if (max_size.width() != kUnboundedSize)
-    size.set_width(std::min(size.width(), max_size.width()));
-  if (max_size.height() != kUnboundedSize)
-    size.set_height(std::min(size.height(), max_size.height()));
-  size.SetToMax(GetMinimumSize());
-  return size;
-}
-
-bool SizeConstraints::HasMinimumSize() const {
-  const gfx::Size min_size = GetMinimumSize();
-  return min_size.width() != kUnboundedSize ||
-         min_size.height() != kUnboundedSize;
-}
-
-bool SizeConstraints::HasMaximumSize() const {
-  const gfx::Size max_size = GetMaximumSize();
-  return max_size.width() != kUnboundedSize ||
-         max_size.height() != kUnboundedSize;
-}
-
-bool SizeConstraints::HasFixedSize() const {
-  return !GetMinimumSize().IsEmpty() && GetMinimumSize() == GetMaximumSize();
-}
-
-gfx::Size SizeConstraints::GetMinimumSize() const {
-  return minimum_size_;
-}
-
-gfx::Size SizeConstraints::GetMaximumSize() const {
-  return gfx::Size(
-      maximum_size_.width() == kUnboundedSize
-          ? kUnboundedSize
-          : std::max(maximum_size_.width(), minimum_size_.width()),
-      maximum_size_.height() == kUnboundedSize
-          ? kUnboundedSize
-          : std::max(maximum_size_.height(), minimum_size_.height()));
-}
-
-void SizeConstraints::set_minimum_size(const gfx::Size& min_size) {
-  minimum_size_ = min_size;
-}
-
-void SizeConstraints::set_maximum_size(const gfx::Size& max_size) {
-  maximum_size_ = max_size;
-}
-
-}  // namespace extensions