Remove UserGesture on touch scrolls

third_party/WebKit/Source/core/frame/UseCounter.h

 /*
  * Copyright (C) 2012 Google, Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 1082 matching lines @@
     IntersectionObserver_Constructor = 1368,
     DurableStoragePersist = 1369,
     DurableStoragePersisted = 1370,
     DurableStorageEstimate = 1371,
     CSSDeepCombinatorAndShadow = 1375,
     OpacityWithPreserve3DQuirk = 1376,
     CSSSelectorPseudoReadOnly = 1377,
     CSSSelectorPseudoReadWrite = 1378,
     // The above items are available in M52 branch
 
-    TouchStartUserGestureUtilized = 1380,
-    TouchMoveUserGestureUtilized = 1381,
-    TouchEndDuringScrollUserGestureUtilized = 1382,
     CSSSelectorPseudoDefined = 1383,
     RTCPeerConnectionAddIceCandidatePromise = 1384,
     RTCPeerConnectionAddIceCandidateLegacy = 1385,
     RTCIceCandidateDefaultSdpMLineIndex = 1386,
     MediaStreamConstraintsOldAndNew = 1389,
     V8ArrayProtectorDirtied = 1390,
     V8ArraySpeciesModified = 1391,
     V8ArrayPrototypeConstructorModified = 1392,
     V8ArrayInstanceProtoModified = 1393,
     V8ArrayInstanceConstructorModified = 1394,
@@ skipping 353 matching lines @@
     // Tracks what features/properties need to be reported to the legacy
     // histograms.
     BitVector m_featureBits;
     BitVector m_CSSBits;
   } m_legacyCounter;
 };
 
 }  // namespace blink
 
 #endif  // UseCounter_h