Move DevTools out of ash and turn it to a component.

ash/devtools/widget_element.cc

Index: ash/devtools/widget_element.cc
diff --git a/ash/devtools/widget_element.cc b/ash/devtools/widget_element.cc
deleted file mode 100644
index ec07a1f7d2b75b90fec6a8bb9d13e6a39a66a70e..0000000000000000000000000000000000000000
--- a/ash/devtools/widget_element.cc
+++ /dev/null
@@ -1,73 +0,0 @@
-// Copyright 2017 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 "ash/devtools/widget_element.h"
-
-#include "ash/devtools/ui_element_delegate.h"
-
-namespace ash {
-namespace devtools {
-
-WidgetElement::WidgetElement(views::Widget* widget,
-                             UIElementDelegate* ui_element_delegate,
-                             UIElement* parent)
-    : UIElement(UIElementType::WIDGET, ui_element_delegate, parent),
-      widget_(widget) {
-  widget_->AddRemovalsObserver(this);
-}
-
-WidgetElement::~WidgetElement() {
-  widget_->RemoveRemovalsObserver(this);
-}
-
-void WidgetElement::OnWillRemoveView(views::Widget* widget, views::View* view) {
-  if (view != widget->GetRootView())
-    return;
-  DCHECK_EQ(1u, children().size());
-  UIElement* child = children()[0];
-  RemoveChild(child);
-  delete child;
-}
-
-void WidgetElement::OnWidgetBoundsChanged(views::Widget* widget,
-                                          const gfx::Rect& new_bounds) {
-  DCHECK_EQ(widget, widget_);
-  delegate()->OnUIElementBoundsChanged(this);
-}
-
-void WidgetElement::GetBounds(gfx::Rect* bounds) const {
-  *bounds = widget_->GetRestoredBounds();
-}
-
-void WidgetElement::SetBounds(const gfx::Rect& bounds) {
-  widget_->SetBounds(bounds);
-}
-
-void WidgetElement::GetVisible(bool* visible) const {
-  *visible = widget_->IsVisible();
-}
-
-void WidgetElement::SetVisible(bool visible) {
-  if (visible == widget_->IsVisible())
-    return;
-  if (visible)
-    widget_->Show();
-  else
-    widget_->Hide();
-}
-
-std::pair<aura::Window*, gfx::Rect> WidgetElement::GetNodeWindowAndBounds()
-    const {
-  return std::make_pair(widget_->GetNativeWindow(),
-                        widget_->GetWindowBoundsInScreen());
-}
-
-// static
-views::Widget* WidgetElement::From(UIElement* element) {
-  DCHECK_EQ(UIElementType::WIDGET, element->type());
-  return static_cast<WidgetElement*>(element)->widget_;
-}
-
-}  // namespace devtools
-}  // namespace ash