Move WebMouseWheelEvent into its own header file.

third_party/WebKit/Source/web/WebInputEventConversion.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 18 matching lines @@
  */
 
 #ifndef WebInputEventConversion_h
 #define WebInputEventConversion_h
 
 #include "platform/PlatformMouseEvent.h"
 #include "platform/PlatformTouchEvent.h"
 #include "platform/PlatformWheelEvent.h"
 #include "platform/scroll/ScrollTypes.h"
 #include "public/platform/WebInputEvent.h"
+#include "public/platform/WebMouseWheelEvent.h"
 #include "web/WebExport.h"
 #include "wtf/Compiler.h"
 #include <vector>
 
 namespace blink {
 
 class KeyboardEvent;
 class MouseEvent;
 class LayoutItem;
 class TouchEvent;
 class WebGestureEvent;
 class WebMouseEvent;
-class WebMouseWheelEvent;
 class WebKeyboardEvent;
 class WebTouchEvent;
 class WheelEvent;
 class Widget;
 
 // These classes are used to convert from WebInputEvent subclasses to
 // corresponding WebCore events.
 
 class WEB_EXPORT PlatformMouseEventBuilder
     : NON_EXPORTED_BASE(public PlatformMouseEvent) {
@@ skipping 67 matching lines @@
 Vector<PlatformMouseEvent> WEB_EXPORT
 createPlatformMouseEventVector(Widget*,
                                const std::vector<const WebInputEvent*>&);
 Vector<PlatformTouchEvent> WEB_EXPORT
 createPlatformTouchEventVector(Widget*,
                                const std::vector<const WebInputEvent*>&);
 
 }  // namespace blink
 
 #endif