Added PointerEvent firing on touch events.

Source/core/input/EventHandler.h

 /*
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  * modification, are permitted provided that the following conditions
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  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 #ifndef EventHandler_h
 #define EventHandler_h
 
 #include "core/CoreExport.h"
+#include "core/events/PointerIdManager.h"
 #include "core/events/TextEventInputType.h"
 #include "core/layout/HitTestRequest.h"
 #include "core/page/DragActions.h"
 #include "core/page/EventWithHitTestResults.h"
 #include "core/style/ComputedStyleConstants.h"
 #include "platform/Cursor.h"
 #include "platform/PlatformMouseEvent.h"
+#include "platform/PlatformTouchPoint.h"
 #include "platform/Timer.h"
 #include "platform/UserGestureIndicator.h"
 #include "platform/geometry/LayoutPoint.h"
 #include "platform/heap/Handle.h"
 #include "platform/scroll/ScrollTypes.h"
 #include "public/platform/WebFocusType.h"
 #include "wtf/Forward.h"
 #include "wtf/HashMap.h"
 #include "wtf/HashTraits.h"
 #include "wtf/RefPtr.h"
@@ skipping 10 matching lines @@
 class Event;
 class EventTarget;
 template <typename EventType>
 class EventWithHitTestResults;
 class FloatPoint;
 class FloatQuad;
 class HTMLFrameSetElement;
 class HitTestRequest;
 class HitTestResult;
 class KeyboardEvent;
+class LayoutObject;
 class LocalFrame;
 class Node;
 class OptionalCursor;
 class PlatformGestureEvent;
 class PlatformKeyboardEvent;
 class PlatformTouchEvent;
 class PlatformWheelEvent;
-class LayoutObject;
 class ScrollableArea;
 class Scrollbar;
 class ScrollState;
 class SelectionController;
 class TextEvent;
 class WheelEvent;
 class Widget;
 
 enum class DragInitiator;
 
@@ skipping 224 matching lines @@
     bool panScrollInProgress() const;
     void setLastKnownMousePosition(const PlatformMouseEvent&);
 
     bool shouldTopControlsConsumeScroll(FloatSize) const;
 
     // If the given element is a shadow host and its root has delegatesFocus=false flag,
     // slide focus to its inner element. Returns true if the resulting focus is different from
     // the given element.
     bool slideFocusOnShadowHostIfNecessary(const Element&);
 
+    using TouchInfo = struct {
+        PlatformTouchPoint point;
+        EventTarget* touchTarget;
+        LocalFrame* targetFrame;
+        FloatPoint adjustedPagePoint;
+        FloatSize adjustedRadius;
+        bool knownTarget;
+        bool consumed;
+    };
+
+    void dispatchPointerEventsForTouchEvent(const PlatformTouchEvent&, Vector<TouchInfo>&);
+    bool dispatchTouchEvents(const PlatformTouchEvent&, Vector<TouchInfo>&, bool, bool);
+
     // NOTE: If adding a new field to this class please ensure that it is
     // cleared in |EventHandler::clear()|.
 
     LocalFrame* const m_frame;
 
     bool m_mousePressed;
     bool m_capturesDragging;
     RefPtrWillBeMember<Node> m_mousePressNode;
 
     bool m_mouseDownMayStartDrag;
@@ skipping 52 matching lines @@
     // The target of each active touch point indexed by the touch ID.
     using TouchTargetMap = WillBeHeapHashMap<unsigned, RefPtrWillBeMember<EventTarget>, DefaultHash<unsigned>::Hash, WTF::UnsignedWithZeroKeyHashTraits<unsigned>>;
     TouchTargetMap m_targetForTouchID;
 
     // If set, the document of the active touch sequence. Unset if no touch sequence active.
     RefPtrWillBeMember<Document> m_touchSequenceDocument;
     RefPtr<UserGestureToken> m_touchSequenceUserGestureToken;
 
     bool m_touchPressed;
 
+    PointerIdManager m_pointerIdManager;
+
     RefPtrWillBeMember<Node> m_scrollGestureHandlingNode;
     bool m_lastGestureScrollOverWidget;
     // The most recent element to scroll natively during this scroll
     // sequence. Null if no native element has scrolled this scroll
     // sequence, or if the most recent element to scroll used scroll
     // customization.
     RefPtrWillBeMember<Node> m_previousGestureScrolledNode;
     RefPtrWillBeMember<Scrollbar> m_scrollbarHandlingScrollGesture;
 
     double m_maxMouseMovedDuration;
@@ skipping 10 matching lines @@
     // scroll sequence in this frame, or any child frames. Only used
     // with ScrollCustomization. If some delta has been consumed, a
     // scroll which shouldn't propagate can't cause any element to
     // scroll other than the |m_previousGestureScrolledNode|.
     bool m_deltaConsumedForScrollSequence;
 };
 
 } // namespace blink
 
 #endif // EventHandler_h