Fix failing test pointerevent_compat-mouse-events-when-removing-nodes

action.pointerMove requires integers as arguments.

Change-Id: I3efad46da26fee54ab875e8d88b72a73c91c44c3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2332303
Commit-Queue: Liviu Tinta <liviutinta@chromium.org>
Reviewed-by: Lan Wei <lanwei@chromium.org>
Cr-Commit-Position: refs/heads/master@{#795471}

third_party/blink/web_tests/external/wpt/pointerevents/compat/pointerevent_compat-mouse-events-when-removing-nodes.html

@@ -64,18 +64,16 @@ function createGreenBoxAndAddListeners() {
 
 function performActions() {
   var rect = document.getElementById("green").getBoundingClientRect();
-  var x1 = rect.left + 5;
-  var y1 = rect.top + 5;
+  var x1 = Math.ceil(rect.left + 5);
+  var y1 = Math.ceil(rect.top + 5);
 
   return new test_driver.Actions()
               .pointerMove(0, 0)
-              .pointerMove(rect.left + 5, rect.top + 5)
-              .pointerDown(0)
-              .pointerUp(0)
+              .pointerMove(x1, y1)
+              .pointerDown()
+              .pointerUp()
               .send()
-              .then( () => {
-    return resolveWhen( () => receivedEvents.length == 6 );
-  });
+              .then( () => resolveWhen( () => receivedEvents.length == 6 ) );
 }
 
 function testScenario(targetEvent, expectedEvents, description) {