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

components/ui_devtools/devtools/widget_element.cc

Index: components/ui_devtools/devtools/widget_element.cc
diff --git a/ash/devtools/widget_element.cc b/components/ui_devtools/devtools/widget_element.cc
similarity index 92%
rename from ash/devtools/widget_element.cc
rename to components/ui_devtools/devtools/widget_element.cc
index ec07a1f7d2b75b90fec6a8bb9d13e6a39a66a70e..7fc649a16a92dda9d1a594f73e3a39d3824ed988 100644
--- a/ash/devtools/widget_element.cc
+++ b/components/ui_devtools/devtools/widget_element.cc
@@ -2,11 +2,11 @@
 // 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 "components/ui_devtools/devtools/widget_element.h"
 
-#include "ash/devtools/ui_element_delegate.h"
+#include "components/ui_devtools/devtools/ui_element_delegate.h"
 
-namespace ash {
+namespace ui {
 namespace devtools {
 
 WidgetElement::WidgetElement(views::Widget* widget,
@@ -70,4 +70,4 @@ views::Widget* WidgetElement::From(UIElement* element) {
 }
 
 }  // namespace devtools
-}  // namespace ash
+}  // namespace ui