Cleaning up PointerIdManager and add id re-mapping

third_party/WebKit/Source/core/events/PointerEvent.h

Index: third_party/WebKit/Source/core/events/PointerEvent.h
diff --git a/third_party/WebKit/Source/core/events/PointerEvent.h b/third_party/WebKit/Source/core/events/PointerEvent.h
index ca49448ee78f22542af24a43014cc12f39cae9ca..669a6c648d40c41a4f08d451197027bb7fe72bca 100644
--- a/third_party/WebKit/Source/core/events/PointerEvent.h
+++ b/third_party/WebKit/Source/core/events/PointerEvent.h
@@ -27,13 +27,14 @@ public:
 
     static PassRefPtrWillBeRawPtr<PointerEvent> create(const AtomicString& type,
         const bool isPrimary, const PlatformMouseEvent&, PassRefPtrWillBeRawPtr<Node> relatedTarget,
-        PassRefPtrWillBeRawPtr<AbstractView>);
+        PassRefPtrWillBeRawPtr<AbstractView>, const unsigned pointerId);
 
     static PassRefPtrWillBeRawPtr<PointerEvent> create(const AtomicString& type,
         const bool isPrimary, const PlatformTouchPoint&,
         PlatformEvent::Modifiers,
         const double width, const double height,
-        const double clientX, const double clientY);
+        const double clientX, const double clientY,
+        const unsigned pointerId);
 
     long pointerId() const { return m_pointerId; }
     double width() const { return m_width; }