Deprecate use of user gestures during scroll-related touch events

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

Index: third_party/WebKit/Source/core/frame/UseCounter.h
diff --git a/third_party/WebKit/Source/core/frame/UseCounter.h b/third_party/WebKit/Source/core/frame/UseCounter.h
index e8d8bcfedf6997720a87a8f9ccbf8cd209a8bb68..6e19b7538911b8f0333cbd84f2ee3385a012a359 100644
--- a/third_party/WebKit/Source/core/frame/UseCounter.h
+++ b/third_party/WebKit/Source/core/frame/UseCounter.h
@@ -1096,7 +1096,6 @@ public:
         InvalidReportUriDirectiveInMetaCSP = 1281,
         InvalidSandboxDirectiveInMetaCSP = 1282,
         InvalidFrameAncestorsDirectiveInMetaCSP = 1283,
-        TouchDragUserGestureUsed = 1284,
         DocumentCreateEventForeignFetchEvent = 1286,
         SVGCalcModeDiscrete = 1287,
         SVGCalcModeLinear = 1288,
@@ -1192,6 +1191,11 @@ public:
         OpacityWithPreserve3DQuirk = 1376,
         CSSSelectorPseudoReadOnly = 1377,
         CSSSelectorPseudoReadWrite = 1378,
+        // The above items are available in M52 branch
+
+        TouchStartUserGestureUtilized = 1380,
+        TouchMoveUserGestureUtilized = 1381,
+        TouchEndDuringScrollUserGestureUtilized = 1382,
 
         // Add new features immediately above this line. Don't change assigned
         // numbers of any item, and don't reuse removed slots.