Create a unified UIElement interface for Widget, View and Window.

ash/common/devtools/view_element.cc

Index: ash/common/devtools/view_element.cc
diff --git a/ash/common/devtools/view_element.cc b/ash/common/devtools/view_element.cc
new file mode 100644
index 0000000000000000000000000000000000000000..270eb3d8032d99eb731d9b32c66b5c49112f3c0e
--- /dev/null
+++ b/ash/common/devtools/view_element.cc
@@ -0,0 +1,62 @@
+// 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/common/devtools/view_element.h"
+
+namespace ash {
+namespace devtools {
+
+void ViewElement::OnChildViewRemoved(views::View* parent, views::View* view) {
+  DomAgentDelegate()->NotifyRemoveViewTree(view, parent, true);
+}
+
+void ViewElement::OnChildViewAdded(views::View* parent, views::View* view) {
+  DomAgentDelegate()->NotifyAddViewTree(view);
+}
+
+void ViewElement::OnChildViewReordered(views::View* parent, views::View* view) {
+  DomAgentDelegate()->NotifyRemoveViewTree(view, parent, false);
+  DomAgentDelegate()->NotifyAddViewTree(view);
+}
+
+void ViewElement::OnViewBoundsChanged(views::View* view) {
+  LOG(ERROR) << "WiewElement::OnViewBoundsChanged --------------";
+  DomAgentDelegate()->NotifyOnViewBoundsChanged(view);
+}
+
+bool ViewElement::GetBounds(gfx::Rect* bounds) {
+  if (view) {
+    *bounds = view->bounds();
+    return true;
+  }
+  return false;
+}
+
+bool ViewElement::SetBounds(const gfx::Rect& bounds) {
+  if (view) {
+    view->SetBoundsRect(bounds);
+    return true;
+  }
+  return false;
+}
+
+bool ViewElement::GetVisible(bool* visible) {
+  if (view) {
+    *visible = view->visible();
+    return true;
+  }
+  return false;
+}
+
+bool ViewElement::SetVisible(bool visible) {
+  if (view) {
+    if (visible != view->visible())
+      view->SetVisible(visible);
+    return true;
+  }
+  return false;
+}
+
+}  // namespace devtools
+}  // namespace ash