Add delay promise and change automation scripts

third_party/WebKit/LayoutTests/imported/wpt_automation/pointerevents/pointerevent_touch-action-table-test_touch-manual-automation.js

Index: third_party/WebKit/LayoutTests/imported/wpt_automation/pointerevents/pointerevent_touch-action-table-test_touch-manual-automation.js
diff --git a/third_party/WebKit/LayoutTests/imported/wpt_automation/pointerevents/pointerevent_touch-action-table-test_touch-manual-automation.js b/third_party/WebKit/LayoutTests/imported/wpt_automation/pointerevents/pointerevent_touch-action-table-test_touch-manual-automation.js
index fe32faef42df9cc04c3040bcd8933aa55b7e2aa9..8dd406c19501d96be31e3d5a070e01298203c55e 100644
--- a/third_party/WebKit/LayoutTests/imported/wpt_automation/pointerevents/pointerevent_touch-action-table-test_touch-manual-automation.js
+++ b/third_party/WebKit/LayoutTests/imported/wpt_automation/pointerevents/pointerevent_touch-action-table-test_touch-manual-automation.js
@@ -1,15 +1,15 @@
 importAutomationScript('/pointerevents/pointerevent_common_input.js');
 
 function inject_input() {
-  touchScrollInTarget('row1', 'down');
-  window.setTimeout(function() {
-    touchScrollInTarget('row1', 'right');
-    window.setTimeout(function() {
-      touchScrollInTarget('cell3', 'down').then(function() {
-        return touchScrollInTarget('cell3', 'right');
-      }).then(function() {
-        touchTapInTarget('btnComplete');
-      });
-    } , 2 * scrollReturnInterval);
-  } , 2 * scrollReturnInterval);
+   return touchScrollInTarget('#row1', 'down').then(function() {
+    return touchScrollInTarget('#row1', 'right');
+  }).then(function() {
+    return delayPromise(4*scrollReturnInterval);
+  }).then(function() {
+    return touchScrollInTarget('#cell3', 'down');
+  }).then(function() {
+    return touchScrollInTarget('#cell3', 'right');
+  }).then(function() {
+    touchTapInTarget('#btnComplete');
+  });
 }