Move WebMouseWheelEvent into its own header file.

third_party/WebKit/public/platform/WebInputEvent.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 406 matching lines @@
         y(0),
         windowX(0),
         windowY(0),
         globalX(0),
         globalY(0),
         movementX(0),
         movementY(0),
         clickCount(0) {}
 };
 
-// WebMouseWheelEvent ---------------------------------------------------------
-
-class WebMouseWheelEvent : public WebMouseEvent {
- public:
-  enum Phase {
-    PhaseNone = 0,
-    PhaseBegan = 1 << 0,
-    PhaseStationary = 1 << 1,
-    PhaseChanged = 1 << 2,
-    PhaseEnded = 1 << 3,
-    PhaseCancelled = 1 << 4,
-    PhaseMayBegin = 1 << 5,
-  };
-
-  float deltaX;
-  float deltaY;
-  float wheelTicksX;
-  float wheelTicksY;
-
-  float accelerationRatioX;
-  float accelerationRatioY;
-
-  // This field exists to allow BrowserPlugin to mark MouseWheel events as
-  // 'resent' to handle the case where an event is not consumed when first
-  // encountered; it should be handled differently by the plugin when it is
-  // sent for thesecond time. No code within Blink touches this, other than to
-  // plumb it through event conversions.
-  int resendingPluginId;
-
-  Phase phase;
-  Phase momentumPhase;
-
-  bool scrollByPage;
-  bool hasPreciseScrollingDeltas;
-
-  RailsMode railsMode;
-
-  // Whether the event is blocking, non-blocking, all event
-  // listeners were passive or was forced to be non-blocking.
-  DispatchType dispatchType;
-
-  WebMouseWheelEvent()
-      : WebMouseEvent(sizeof(WebMouseWheelEvent)),
-        deltaX(0.0f),
-        deltaY(0.0f),
-        wheelTicksX(0.0f),
-        wheelTicksY(0.0f),
-        accelerationRatioX(1.0f),
-        accelerationRatioY(1.0f),
-        resendingPluginId(-1),
-        phase(PhaseNone),
-        momentumPhase(PhaseNone),
-        scrollByPage(false),
-        hasPreciseScrollingDeltas(false),
-        railsMode(RailsModeFree),
-        dispatchType(Blocking) {}
-};
-
-
 // WebTouchEvent --------------------------------------------------------------
 
 // TODO(e_hakkinen): Replace with WebPointerEvent. crbug.com/508283
 class WebTouchEvent : public WebInputEvent {
  public:
   // Maximum number of simultaneous touches supported on
   // Ash/Aura.
   enum { kTouchesLengthCap = 16 };
 
   unsigned touchesLength;
@@ skipping 24 matching lines @@
         movedBeyondSlopRegion(false),
         touchStartOrFirstTouchMove(false),
         uniqueTouchEventId(0) {}
 };
 
 #pragma pack(pop)
 
 }  // namespace blink
 
 #endif