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

components/ui_devtools/devtools/window_element.cc

Index: components/ui_devtools/devtools/window_element.cc
diff --git a/ash/devtools/window_element.cc b/components/ui_devtools/devtools/window_element.cc
similarity index 94%
rename from ash/devtools/window_element.cc
rename to components/ui_devtools/devtools/window_element.cc
index fa9ee2c76c51648a1b84aa49348f55de28565c59..4927119c4a23bfee0142292e8d301ce1c6b9ed33 100644
--- a/ash/devtools/window_element.cc
+++ b/components/ui_devtools/devtools/window_element.cc
@@ -2,12 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ash/devtools/window_element.h"
+#include "components/ui_devtools/devtools/window_element.h"
 
-#include "ash/devtools/ui_element_delegate.h"
+#include "components/ui_devtools/devtools/ui_element_delegate.h"
 #include "ui/aura/window.h"
 
-namespace ash {
+namespace ui {
 namespace devtools {
 namespace {
 
@@ -97,4 +97,4 @@ aura::Window* WindowElement::From(UIElement* element) {
 }
 
 }  // namespace devtools
-}  // namespace ash
+}  // namespace ui