Revert of "Added common layout framework for system menu rows."

ash/common/system/tray/size_range_layout.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 <limits>
-
-#include "ash/common/system/tray/size_range_layout.h"
-
-#include "base/logging.h"
-#include "ui/views/layout/fill_layout.h"
-
-namespace ash {
-
-// static
-
-gfx::Size SizeRangeLayout::AbsoluteMinSize() {
-  const int kMinSize = 0;
-  return gfx::Size(kMinSize, kMinSize);
-}
-
-gfx::Size SizeRangeLayout::AbsoluteMaxSize() {
-  const int kMaxSize = std::numeric_limits<int>::max();
-  return gfx::Size(kMaxSize, kMaxSize);
-}
-
-// Non static
-
-SizeRangeLayout::SizeRangeLayout()
-    : SizeRangeLayout(AbsoluteMinSize(), AbsoluteMaxSize()) {}
-
-SizeRangeLayout::SizeRangeLayout(const gfx::Size& min_size,
-                                 const gfx::Size& max_size)
-    : layout_manager_(new views::FillLayout()),
-      min_size_(AbsoluteMinSize()),
-      max_size_(AbsoluteMaxSize()) {
-  SetMinSize(min_size);
-  SetMaxSize(max_size);
-}
-
-SizeRangeLayout::~SizeRangeLayout() {}
-
-void SizeRangeLayout::SetSize(const gfx::Size& size) {
-  SetMinSize(size);
-  SetMaxSize(size);
-}
-
-void SizeRangeLayout::SetMinSize(const gfx::Size& size) {
-  min_size_ = size;
-  min_size_.SetToMax(gfx::Size());
-  max_size_.SetToMax(min_size_);
-}
-
-void SizeRangeLayout::SetMaxSize(const gfx::Size& size) {
-  max_size_ = size;
-  max_size_.SetToMax(gfx::Size());
-  min_size_.SetToMin(max_size_);
-}
-
-void SizeRangeLayout::SetLayoutManager(
-    std::unique_ptr<LayoutManager> layout_manager) {
-  DCHECK(layout_manager_);
-  layout_manager_ = std::move(layout_manager);
-  layout_manager_->Installed(host_);
-}
-
-void SizeRangeLayout::Installed(views::View* host) {
-  DCHECK(!host_);
-  host_ = host;
-  layout_manager_->Installed(host);
-}
-
-void SizeRangeLayout::Layout(views::View* host) {
-  layout_manager_->Layout(host);
-}
-
-gfx::Size SizeRangeLayout::GetPreferredSize(const views::View* host) const {
-  gfx::Size preferred_size = layout_manager_->GetPreferredSize(host);
-  ClampSizeToRange(&preferred_size);
-  return preferred_size;
-}
-
-int SizeRangeLayout::GetPreferredHeightForWidth(const views::View* host,
-                                                int width) const {
-  const int height = layout_manager_->GetPreferredHeightForWidth(host, width);
-  gfx::Size size(0, height);
-  ClampSizeToRange(&size);
-  return size.height();
-}
-
-void SizeRangeLayout::ViewAdded(views::View* host, views::View* view) {
-  layout_manager_->ViewAdded(host, view);
-}
-
-void SizeRangeLayout::ViewRemoved(views::View* host, views::View* view) {
-  layout_manager_->ViewRemoved(host, view);
-}
-
-void SizeRangeLayout::ClampSizeToRange(gfx::Size* size) const {
-  size->SetToMax(min_size_);
-  size->SetToMin(max_size_);
-}
-
-}  // namespace ash