Simulate user inputs in pointerevents/pointerevent_touch-action-mouse…

….html

Use testdriver Action API to simulate wheel scroll actions in
pointerevents/pointerevent_touch-action-mouse.html.

Bug: 1145677
Change-Id: I56d99d22a325419865fdc18dfa4cf0a3ae55df51

pointerevents/pointerevent_touch-action-mouse-manual.html → pointerevents/pointerevent_touch-action-mouse.html

@@ -6,6 +6,9 @@
         <link rel="stylesheet" type="text/css" href="pointerevent_styles.css">
         <script src="/resources/testharness.js"></script>
         <script src="/resources/testharnessreport.js"></script>
+        <script src="/resources/testdriver.js"></script>
+        <script src="/resources/testdriver-actions.js"></script>
+        <script src="/resources/testdriver-vendor.js"></script>
         <script src="pointerevent_support.js"></script>
         <style>
             #target0 {
@@ -86,6 +89,7 @@ <h4 id="desc">Test Description: Try to scroll text down using mouse (use mouse w
                 var target0 = document.getElementById("target0");
 
                 var test_touchaction = async_test("touch-action attribute test");
+                var actions_promise;
 
                 xScr0 = target0.scrollLeft;
                 yScr0 = target0.scrollTop;
@@ -111,10 +115,19 @@ <h4 id="desc">Test Description: Try to scroll text down using mouse (use mouse w
                     }
 
                     if(xScrollIsReceived && yScrollIsReceived) {
-                        test_touchaction.done();
+                        // Make sure the test finishes after all the input actions are completed.
+                        actions_promise.then( () => {
+                            test_touchaction.done();
+                        });
                         updateDescriptionComplete();
                     }
                 });
+
+                var scrollDeltaX = 200;
+                var scrollDeltaY = 200;
+                actions_promise = new test_driver.Actions()
+                    .scroll(0, 0, scrollDeltaX, scrollDeltaY, {origin: target0})
+                    .send();
             }
 
             function updateDescriptionNextStepMouse() {