Add delay promise and change automation scripts

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

Index: third_party/WebKit/LayoutTests/imported/wpt_automation/pointerevents/pointerevent_touch-action-svg-test_touch-manual-automation.js
diff --git a/third_party/WebKit/LayoutTests/imported/wpt_automation/pointerevents/pointerevent_touch-action-svg-test_touch-manual-automation.js b/third_party/WebKit/LayoutTests/imported/wpt_automation/pointerevents/pointerevent_touch-action-svg-test_touch-manual-automation.js
index 752573d6787aa850bfc82df8126673cdbbfabfdd..7267018b81d3e0b84b8e84c1d4ff68e0b20bf3ac 100644
--- a/third_party/WebKit/LayoutTests/imported/wpt_automation/pointerevents/pointerevent_touch-action-svg-test_touch-manual-automation.js
+++ b/third_party/WebKit/LayoutTests/imported/wpt_automation/pointerevents/pointerevent_touch-action-svg-test_touch-manual-automation.js
@@ -1,22 +1,15 @@
 importAutomationScript('/pointerevents/pointerevent_common_input.js');
 
-function callback_function() {
-  touchTapInTarget('btnComplete');
-}
-
 function inject_input() {
-   var target = document.getElementById("target0");
-   var targetRect = target.getBoundingClientRect();
-
-   var svg = document.getElementsByTagName("svg")[0];
-   var svgRect = svg.getBoundingClientRect();
-
-   var x = (svgRect.left - targetRect.left)/2;
-   touchScrollByPosition(x, targetRect.top + 100, 30, "down");
-   touchScrollByPosition(x, targetRect.top + 100, 30, "right");
-
-   window.setTimeout(function() {
-     touchSmoothScrollUp(svg);
-     touchSmoothScrollLeft(svg, callback_function);
-     } , 4*scrollReturnInterval);
-}
+   return touchScrollInTarget('#target0', 'down').then(function() {
+    return touchScrollInTarget('#target0', 'right');
+  }).then(function() {
+    return delayPromise(4*scrollReturnInterval);
+  }).then(function() {
+    return touchScrollInTarget('#target0 > svg', 'down');
+  }).then(function() {
+    return touchScrollInTarget('#target0 > svg', 'right');
+  }).then(function() {
+    touchTapInTarget('#btnComplete');
+  });
+}