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

ui/events/blink/scoped_web_input_event.cc

 // 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.
 
-#include "content/common/input/scoped_web_input_event.h"
+#include "ui/events/blink/scoped_web_input_event.h"
 
-#include "base/logging.h"
-#include "content/common/input/web_input_event_traits.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
+#include "ui/events/blink/web_input_event_traits.h"
 
-using blink::WebGestureEvent;
 using blink::WebInputEvent;
-using blink::WebKeyboardEvent;
-using blink::WebMouseEvent;
-using blink::WebMouseWheelEvent;
-using blink::WebTouchEvent;
 
-namespace content {
+namespace ui {
 
 WebInputEventDeleter::WebInputEventDeleter() {}
 
 void WebInputEventDeleter::operator()(WebInputEvent* web_event) const {
   WebInputEventTraits::Delete(web_event);
 }
 
-}  // namespace content
+}  // namespace ui