Move |ScopedWebInputEvent| and |WebInputEventTraits| from |content::| to "ui/events/blink"

ui/events/blink/scoped_web_input_event.h

 // Copyright 2013 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.
 
-#ifndef CONTENT_COMMON_INPUT_SCOPED_WEB_INPUT_EVENT_H_
-#define CONTENT_COMMON_INPUT_SCOPED_WEB_INPUT_EVENT_H_
+#ifndef UI_EVENTS_BLINK_SCOPED_WEB_INPUT_EVENT_H_
+#define UI_EVENTS_BLINK_SCOPED_WEB_INPUT_EVENT_H_
 
 #include <memory>
 
-#include "content/common/content_export.h"
-
 namespace blink {
 class WebInputEvent;
 }
 
-namespace content {
+namespace ui {
 
 // blink::WebInputEvent does not provide a virtual destructor.
-struct CONTENT_EXPORT WebInputEventDeleter {
+struct WebInputEventDeleter {
   WebInputEventDeleter();
   void operator()(blink::WebInputEvent* web_event) const;
 };
 typedef std::unique_ptr<blink::WebInputEvent, WebInputEventDeleter>
     ScopedWebInputEvent;
 
-}  // namespace content
+}  // namespace ui
 
-#endif  // CONTENT_COMMON_INPUT_SCOPED_WEB_INPUT_EVENT_H_
+#endif  // UI_EVENTS_BLINK_SCOPED_WEB_INPUT_EVENT_H_