Remove UserGesture on touch scrolls

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

 // 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.
 
 #ifndef PointerEventManager_h
 #define PointerEventManager_h
 
 #include "core/CoreExport.h"
 #include "core/events/PointerEvent.h"
 #include "core/events/PointerEventFactory.h"
@@ skipping 118 matching lines @@
   // Inhibits firing of touch-type PointerEvents until unblocked by
   // unblockTouchPointers(). Also sends pointercancels for existing touch-type
   // PointerEvents.  See:
   // www.w3.org/TR/pointerevents/#declaring-candidate-regions-for-default-touch-behaviors
   void blockTouchPointers();
 
   // Enables firing of touch-type PointerEvents after they were inhibited by
   // blockTouchPointers().
   void unblockTouchPointers();
 
+  // Generate the TouchInfos for a PlatformTouchEvent, hit-testing as necessary.
+  void computeTouchTargets(const PlatformTouchEvent&,
+                           HeapVector<TouchEventManager::TouchInfo>&);
+
   // Sends touch pointer events and sets consumed bits in TouchInfo array
   // based on the return value of pointer event handlers.
   void dispatchTouchPointerEvents(const PlatformTouchEvent&,
                                   HeapVector<TouchEventManager::TouchInfo>&);
 
   // Returns whether the event is consumed or not.
   WebInputEventResult sendTouchPointerEvent(EventTarget*, PointerEvent*);
 
   void sendBoundaryEvents(EventTarget* exitedTarget,
                           EventTarget* enteredTarget,
@@ skipping 36 matching lines @@
 
   const Member<LocalFrame> m_frame;
 
   // Prevents firing mousedown, mousemove & mouseup in-between a canceled
   // pointerdown and next pointerup/pointercancel.
   // See "PREVENT MOUSE EVENT flag" in the spec:
   //   https://w3c.github.io/pointerevents/#compatibility-mapping-with-mouse-events
   bool m_preventMouseEventForPointerType
       [static_cast<size_t>(WebPointerProperties::PointerType::LastEntry) + 1];
 
-  // Set upon sending a pointercancel for touch, prevents PE dispatches for
-  // touches until all touch-points become inactive.
+  // Set upon TouchScrollStarted when sending a pointercancel, prevents PE
+  // dispatches for touches until all touch-points become inactive.
   bool m_inCanceledStateForPointerTypeTouch;
 
   Deque<uint32_t> m_touchIdsForCanceledPointerdowns;
 
   // Note that this map keeps track of node under pointer with id=1 as well
   // which might be different than m_nodeUnderMouse in EventHandler. That one
   // keeps track of any compatibility mouse event positions but this map for
   // the pointer with id=1 is only taking care of true mouse related events.
   using NodeUnderPointerMap =
       HeapHashMap<int,
                   EventTargetAttributes,
                   WTF::IntHash<int>,
                   WTF::UnsignedWithZeroKeyHashTraits<int>>;
   NodeUnderPointerMap m_nodeUnderPointer;
 
   PointerCapturingMap m_pointerCaptureTarget;
   PointerCapturingMap m_pendingPointerCaptureTarget;
 
   PointerEventFactory m_pointerEventFactory;
   Member<TouchEventManager> m_touchEventManager;
   Member<MouseEventManager> m_mouseEventManager;
 };
 
 }  // namespace blink
 
 #endif  // PointerEventManager_h