Touchmoves should not be suppressed if the touchstart is consumed

third_party/WebKit/LayoutTests/fast/events/pointerevents/pointer-event-consumed-touchstart-in-slop-region.html

Index: third_party/WebKit/LayoutTests/fast/events/pointerevents/pointer-event-consumed-touchstart-in-slop-region.html
diff --git a/third_party/WebKit/LayoutTests/fast/events/pointerevents/pointer-event-in-slop-region.html b/third_party/WebKit/LayoutTests/fast/events/pointerevents/pointer-event-consumed-touchstart-in-slop-region.html
similarity index 79%
copy from third_party/WebKit/LayoutTests/fast/events/pointerevents/pointer-event-in-slop-region.html
copy to third_party/WebKit/LayoutTests/fast/events/pointerevents/pointer-event-consumed-touchstart-in-slop-region.html
index 6306b2c1624fe36adbda277af01578749fffebf9..e4f8298d73d60663ea799b4a2416e8b98203f407 100644
--- a/third_party/WebKit/LayoutTests/fast/events/pointerevents/pointer-event-in-slop-region.html
+++ b/third_party/WebKit/LayoutTests/fast/events/pointerevents/pointer-event-consumed-touchstart-in-slop-region.html
@@ -20,6 +20,10 @@ var offset = 50;
 var x = targetRect.left + offset;
 var y = targetRect.top + offset;
 
+function touchstartHandler(event) {
+    event.preventDefault();
+}
+
 function validTouchMoveResult(event) {
     touchMoveCount++;
     testTouchMove.step(function () {
@@ -38,7 +42,7 @@ function validPointerMoveResult(event) {
 function callbackValidMoveCount() {
     testTouchMove.step(function () {
         assert_equals(touchMoveCount, 3);
-        assert_equals(pointerMoveCount, 5);
+        assert_equals(pointerMoveCount, 3);
     });
     testTouchMove.done();
 }
@@ -49,18 +53,15 @@ function testTouchMoveSuppressionInSlopRegion() {
             [{source: "touch",
               actions: [
                 { name: "pointerDown", x: x, y: y },
-                { name: "pointerMove", x: x, y: y + 10 },
-                { name: "pointerMove", x: x, y: y + 20 },
-                { name: "pointerMove", x: x, y: y + 10 },
-                { name: "pointerUp" },
-                { name: "pointerDown", x: x, y: y },
+                { name: "pointerMove", x: x, y: y + 1 },
                 { name: "pointerMove", x: x, y: y + 10 },
                 { name: "pointerMove", x: x, y: y + 20 }]}];
         chrome.gpuBenchmarking.pointerActionSequence(pointerActions, callbackValidMoveCount);
     }
 }
 
-var testTouchMove = async_test('Tests that TouchMoves are suppressed if within the slop suppression region.');
+var testTouchMove = async_test('Tests that the TouchMoves are not suppressed if the touch start is consumed.');
+box.addEventListener('touchstart', touchstartHandler);
 box.addEventListener('touchmove', validTouchMoveResult);
 box.addEventListener('pointermove', validPointerMoveResult);
 testTouchMoveSuppressionInSlopRegion();