[DevTools] Switch from blink-based to content-based touch emulation.

Source/core/page/EventHandler.h

 /*
  * Copyright (C) 2006, 2007, 2009, 2010, 2011 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 225 matching lines @@
     //             converted to the physical direction based on a node's writing mode.
     // granularity - The units that the  scroll delta parameter is in.
     // startNode - The node to start bubbling the scroll from. If a node can't scroll,
     //             the scroll bubbles up to the containing block.
     // stopNode - On input, if provided and non-null, the node at which we should stop bubbling on input.
     //            On output, if provided and a node was scrolled stopNode will point to that node.
     // delta - The delta to scroll by, in the units of the granularity parameter. (e.g. pixels, lines, pages, etc.)
     // absolutePoint - For wheel scrolls - the location, in absolute coordinates, where the event occured.
     bool scroll(ScrollDirection, ScrollGranularity, Node* startNode = 0, Node** stopNode = 0, float delta = 1.0f, IntPoint absolutePoint = IntPoint());
 
-    bool dispatchSyntheticTouchEventIfEnabled(const PlatformMouseEvent&);
-
     TouchAction intersectTouchAction(const TouchAction, const TouchAction);
     TouchAction computeEffectiveTouchAction(const LayoutPoint&);
 
-    bool handleMouseEventAsEmulatedGesture(const PlatformMouseEvent&);
-    bool handleWheelEventAsEmulatedGesture(const PlatformWheelEvent&);
     HitTestResult hitTestResultInFrame(LocalFrame*, const LayoutPoint&, HitTestRequest::HitTestRequestType hitType = HitTestRequest::ReadOnly | HitTestRequest::Active | HitTestRequest::ConfusingAndOftenMisusedDisallowShadowContent);
 
     void invalidateClick();
 
     Node* nodeUnderMouse() const;
 
     void updateMouseEventTargetNode(Node*, const PlatformMouseEvent&, bool fireMouseOverOut);
 
     MouseEventWithHitTestResults prepareMouseEvent(const HitTestRequest&, const PlatformMouseEvent&);
 
@@ skipping 119 matching lines @@
     RefPtr<Node> m_scrollGestureHandlingNode;
     bool m_lastHitTestResultOverWidget;
     RefPtr<Node> m_previousGestureScrolledNode;
     RefPtr<Scrollbar> m_scrollbarHandlingScrollGesture;
 
     double m_maxMouseMovedDuration;
     PlatformEvent::Type m_baseEventType;
     bool m_didStartDrag;
 
     bool m_longTapShouldInvokeContextMenu;
-    OwnPtr<IntPoint> m_lastSyntheticPinchAnchorCss;
-    OwnPtr<IntPoint> m_lastSyntheticPinchAnchorDip;
-    OwnPtr<IntPoint> m_lastSyntheticPanLocation;
-    float m_syntheticPageScaleFactor;
 
     Timer<EventHandler> m_activeIntervalTimer;
     double m_lastShowPressTimestamp;
     RefPtr<Element> m_lastDeferredTapElement;
 };
 
 } // namespace WebCore
 
 #endif // EventHandler_h