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

components/ui_devtools/devtools/ui_element_delegate.h

Index: components/ui_devtools/devtools/ui_element_delegate.h
diff --git a/ash/devtools/ui_element_delegate.h b/components/ui_devtools/devtools/ui_element_delegate.h
similarity index 79%
rename from ash/devtools/ui_element_delegate.h
rename to components/ui_devtools/devtools/ui_element_delegate.h
index 369b90b7c4096bd588083689ddb1b53d77725ecf..7b3b1c918a1481a47117d2b8771ad6bf50e7a46f 100644
--- a/ash/devtools/ui_element_delegate.h
+++ b/components/ui_devtools/devtools/ui_element_delegate.h
@@ -2,21 +2,20 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_DEVTOOLS_UI_ELEMENT_DELEGATE_H_
-#define ASH_DEVTOOLS_UI_ELEMENT_DELEGATE_H_
+#ifndef COMPONENTS_UI_DEVTOOLS_DEVTOOLS_UI_ELEMENT_DELEGATE_H_
+#define COMPONENTS_UI_DEVTOOLS_DEVTOOLS_UI_ELEMENT_DELEGATE_H_
 
 #include <vector>
 
-#include "ash/ash_export.h"
 #include "base/macros.h"
 #include "ui/aura/window.h"
 
-namespace ash {
+namespace ui {
 namespace devtools {
 
 class UIElement;
 
-class ASH_EXPORT UIElementDelegate {
+class UIElementDelegate {
  public:
   UIElementDelegate(){};
   virtual ~UIElementDelegate(){};
@@ -39,6 +38,6 @@ class ASH_EXPORT UIElementDelegate {
 };
 
 }  // namespace devtools
-}  // namespace ash
+}  // namespace ui
 
-#endif  // ASH_DEVTOOLS_UI_ELEMENT_DELEGATE_H_
+#endif  // COMPONENTS_UI_DEVTOOLS_DEVTOOLS_UI_ELEMENT_DELEGATE_H_