Add maxTouchPoints for pointer events

Source/web/WebRuntimeFeatures.cpp

Index: Source/web/WebRuntimeFeatures.cpp
diff --git a/Source/web/WebRuntimeFeatures.cpp b/Source/web/WebRuntimeFeatures.cpp
index 1986e58b8b58a48414b8a7246de5492366779a16..9119c6f981aaec9fec4eb59ae76b7898baaf042b 100644
--- a/Source/web/WebRuntimeFeatures.cpp
+++ b/Source/web/WebRuntimeFeatures.cpp
@@ -354,6 +354,16 @@ bool WebRuntimeFeatures::isTouchEnabled()
     return RuntimeEnabledFeatures::touchEnabled();
 }
 
+void WebRuntimeFeatures::enablePointerEventsMaxTouchPoints(bool enable)
+{
+    RuntimeEnabledFeatures::setPointerEventsMaxTouchPointsEnabled(enable);
+}
+
+bool WebRuntimeFeatures::isPointerEventsMaxTouchPointsEnabled()
+{
+    return RuntimeEnabledFeatures::pointerEventsMaxTouchPointsEnabled();
+}
+
 void WebRuntimeFeatures::enableWebAnimationsCSS()
 {
     RuntimeEnabledFeatures::setWebAnimationsEnabled(true);