Allow touch events to be uncancelable

Source/core/page/EventHandler.cpp

Index: Source/core/page/EventHandler.cpp
diff --git a/Source/core/page/EventHandler.cpp b/Source/core/page/EventHandler.cpp
index 8d33eba40c5b70d75204e2d4f385d2877b167ecb..af2d28cf3c16b3b81202e1f8d5641bb9dc1dcb7c 100644
--- a/Source/core/page/EventHandler.cpp
+++ b/Source/core/page/EventHandler.cpp
@@ -3654,7 +3654,7 @@ bool EventHandler::handleTouchEvent(const PlatformTouchEvent& event)
             RefPtrWillBeRawPtr<TouchEvent> touchEvent =
                 TouchEvent::create(effectiveTouches.get(), targetTouches.get(), changedTouches[state].m_touches.get(),
                     stateName, touchEventTarget->toNode()->document().domWindow(),
-                    0, 0, 0, 0, event.ctrlKey(), event.altKey(), event.shiftKey(), event.metaKey());
+                    0, 0, 0, 0, event.ctrlKey(), event.altKey(), event.shiftKey(), event.metaKey(), event.cancelable());
             touchEventTarget->toNode()->dispatchTouchEvent(touchEvent.get());
             swallowedEvent = swallowedEvent || touchEvent->defaultPrevented() || touchEvent->defaultHandled();
         }