aura-touch: Refactor some code so that both cros and win-aura can share some code.

content/browser/renderer_host/web_input_event_aura.h

 // Copyright (c) 2012 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_BROWSER_RENDERER_HOST_WEB_INPUT_EVENT_AURA_H_
 #define CONTENT_BROWSER_RENDERER_HOST_WEB_INPUT_EVENT_AURA_H_
 
 #include "content/common/content_export.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
 
@@ skipping 15 matching lines @@
 CONTENT_EXPORT WebKit::WebMouseWheelEvent MakeWebMouseWheelEvent(
     ui::ScrollEvent* event);
 CONTENT_EXPORT WebKit::WebKeyboardEvent MakeWebKeyboardEvent(
     ui::KeyEvent* event);
 CONTENT_EXPORT WebKit::WebGestureEvent MakeWebGestureEvent(
     ui::GestureEvent* event);
 CONTENT_EXPORT WebKit::WebGestureEvent MakeWebGestureEvent(
     ui::ScrollEvent* event);
 CONTENT_EXPORT WebKit::WebGestureEvent MakeWebGestureEventFlingCancel();
 
-// Updates the WebTouchEvent based on the TouchEvent. It returns the updated
-// WebTouchPoint contained in the WebTouchEvent, or NULL if no point was
-// updated.
-WebKit::WebTouchPoint* UpdateWebTouchEvent(ui::TouchEvent* event,
-                                           WebKit::WebTouchEvent* web_event);
-
-int EventFlagsToWebEventModifiers(int flags);
-
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_WEB_INPUT_EVENT_AURA_H_