Create user gesture indicator for pointerup

third_party/WebKit/Source/core/input/PointerEventManager.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/input/PointerEventManager.h"
 
 #include "core/dom/ElementTraversal.h"
 #include "core/dom/shadow/FlatTreeTraversal.h"
 #include "core/events/MouseEvent.h"
 #include "core/frame/FrameView.h"
@@ skipping 150 matching lines @@
   }
 
   if (!RuntimeEnabledFeatures::pointerEventEnabled())
     return WebInputEventResult::NotHandled;
   if (!checkForListener || target->hasEventListeners(eventType)) {
     UseCounter::count(m_frame->document(), UseCounter::PointerEventDispatch);
     if (eventType == EventTypeNames::pointerdown)
       UseCounter::count(m_frame->document(),
                         UseCounter::PointerEventDispatchPointerDown);
 
+    std::unique_ptr<UserGestureIndicator> gestureIndicator;
+    if (eventType == EventTypeNames::pointerup &&
+        pointerEvent->pointerType() == "touch") {
+      gestureIndicator =
+          wrapUnique(new UserGestureIndicator(UserGestureToken::create()));
+    }
+
     DispatchEventResult dispatchResult = target->dispatchEvent(pointerEvent);
     return EventHandlingUtil::toWebInputEventResult(dispatchResult);
   }
   return WebInputEventResult::NotHandled;
 }
 
 EventTarget* PointerEventManager::getEffectiveTargetForPointerEvent(
     EventTarget* target,
     int pointerId) {
   if (EventTarget* capturingTarget = getCapturingNode(pointerId))
@@ skipping 492 matching lines @@
       return true;
   }
   return false;
 }
 
 EventTarget* PointerEventManager::getMouseCapturingNode() {
   return getCapturingNode(PointerEventFactory::s_mouseId);
 }
 
 }  // namespace blink