Added experimental tilt and tiltDirection to the Touch interface

LayoutTests/fast/events/touch/script-tests/basic-single-touch-events.js

 var div = document.createElement("div");
 div.id = "touchtarget";
 div.style.width = "100px";
 div.style.height = "100px";
 div.style.backgroundColor = "blue";
 
 var lastEvent = null;
 var touchEventsReceived = 0;
 var EXPECTED_TOUCH_EVENTS_TOTAL = 5;
 
@@ skipping 22 matching lines @@
 function verifyTouchEvent(type, totalTouchCount, changedTouchCount, targetTouchCount)
 {
     shouldBeEqualToString("lastEvent.type", type);
     shouldBe("lastEvent.touches.length", totalTouchCount.toString());
     shouldBe("lastEvent.changedTouches.length", changedTouchCount.toString());
     shouldBe("lastEvent.targetTouches.length", targetTouchCount.toString());
     shouldBe("lastEvent.pageX", "0");
     shouldBe("lastEvent.pageY", "0");
 }
 
-function verifyTouchPoint(list, point, x, y, id, rx, ry)
+function verifyTouchPoint(list, point, x, y, id, rx, ry, tilt, tiltDir)
 {
     shouldBe("lastEvent." + list + "[" + point + "].pageX", x.toString());
     shouldBe("lastEvent." + list + "[" + point + "].pageY", y.toString());
     shouldBe("lastEvent." + list + "[" + point + "].clientX", x.toString());
     shouldBe("lastEvent." + list + "[" + point + "].clientY", y.toString());
     shouldBe("lastEvent." + list + "[" + point + "].identifier", id.toString());
     if (eventSender.setTouchPointRadius) {
         shouldBe("lastEvent." + list + "[" + point + "].webkitRadiusX", rx.toString());
         shouldBe("lastEvent." + list + "[" + point + "].webkitRadiusY", ry.toString());
     }
+    if (eventSender.setTouchPointTilt) {
+        shouldBe("lastEvent." + list + "[" + point + "].tilt", tilt.toString());
+        shouldBe("lastEvent." + list + "[" + point + "].tiltDirection", tiltDir.toString());
+    }
 }
 
 function verifyTouch(which) {
     switch (which) {
         case 0:
            verifyTouchEvent("touchstart", 1, 1, 1);
            shouldBe("lastEvent.shiftKey", "false");
            shouldBeEqualToString("lastEvent.touches[0].target.id", "touchtarget");
-           verifyTouchPoint("touches", 0, 10, 10, 0, 10, 10);
-           verifyTouchPoint("changedTouches", 0, 10, 10, 0, 10, 10);
-           verifyTouchPoint("targetTouches", 0, 10, 10, 0, 10, 10);
+           verifyTouchPoint("touches", 0, 10, 10, 0, 10, 10, 10, 10);
+           verifyTouchPoint("changedTouches", 0, 10, 10, 0, 10, 10, 10, 10);
+           verifyTouchPoint("targetTouches", 0, 10, 10, 0, 10, 10, 10, 10);
         break;
         case 1:
            verifyTouchEvent("touchmove", 1, 1, 1);
-           verifyTouchPoint("touches", 0, 50, 50, 0, 12, 12);
+           verifyTouchPoint("touches", 0, 50, 50, 0, 12, 12, 45, 60);
            shouldBe("lastEvent.shiftKey", "true");
            shouldBe("lastEvent.altKey", "true");
            shouldBe("lastEvent.ctrlKey", "false");
            shouldBe("lastEvent.metaKey", "false");
         break;
         case 2:
             verifyTouchEvent("touchend", 0, 1, 0);
-            verifyTouchPoint("changedTouches", 0, 50, 50, 0, 12, 12);
+            verifyTouchPoint("changedTouches", 0, 50, 50, 0, 12, 12, 45, 60);
             shouldBe("lastEvent.shiftKey", "false");
             shouldBe("lastEvent.altKey", "false");
         break;
         case 3:
             verifyTouchEvent("touchstart", 1, 1, 1);
             shouldBeEqualToString("lastEvent.targetTouches[0].target.tagName", "DIV");
         break;
         case 4:
             verifyTouchEvent("touchmove", 1, 1, 1);
             shouldBeEqualToString("lastEvent.touches[0].target.tagName", "DIV");
         break;
 
         default: testFailed("Wrong number of touch events! (" + which + ")");
     }
 }
 
 function singleTouchSequence()
 {
     if (eventSender.setTouchPointRadius)
         eventSender.setTouchPointRadius(10,10);
     eventSender.addTouchPoint(10, 10);
+    if (eventSender.setTouchPointTilt)
+        eventSender.setTouchPointTilt(0,10,10,false);
     eventSender.touchStart();
 
     if (eventSender.setTouchPointRadius)
         eventSender.setTouchPointRadius(12,12);
+    if (eventSender.setTouchPointTilt)
+        eventSender.setTouchPointTilt(0,45,60,true);
     eventSender.updateTouchPoint(0, 50, 50);
     eventSender.setTouchModifier("shift", true);
     eventSender.setTouchModifier("alt", true);
     eventSender.touchMove();
 
     eventSender.setTouchModifier("shift", false);
     eventSender.setTouchModifier("alt", false);
 
     eventSender.releaseTouchPoint(0);
     eventSender.touchEnd();
@@ skipping 20 matching lines @@
 
     lastEvent = null;
     eventSender.clearTouchPoints();
     touchTargets();
 
 } else {
     debug("This test requires DumpRenderTree.  Tap on the blue rect to log.")
 }