Define DOM_KEY_LOCATION_* constants on KeyboardEvent

LayoutTests/fast/events/script-tests/keydown-numpad-keys.js

 description("This tests keyboard events with KeyLocationCode argument.");
 
 var lastKeyboardEvent;
 
 function recordKeyEvent(ev) {
     ev = ev || event;
     ev.keyCode = (ev.which || ev.keyCode);
     if (window.eventSender) {
         lastKeyboardEvent = ev;
     } else {
         debug('Type=' + ev.type + ',' +
               'keyCode=' + ev.keyCode + ',' +
               'ctrlKey=' + ev.ctrlKey + ',' +
               'shiftKey=' + ev.shiftKey + ',' +
               'altKey=' + ev.altKey + ',' +
               'metaKey=' + ev.metaKey + ',' +
               'location=' + ev.location);
     }
 }
 
 function testKeyEventWithLocation(evString, evLocation, expectedKeyCode) {
-    eventSender.keyDown(evString, [], evLocation);
+    eventSender.keyDown(evString, [], eval(evLocation));
     shouldBe("lastKeyboardEvent.type", '"keydown"');
     shouldEvaluateTo("lastKeyboardEvent.keyCode", expectedKeyCode);
     shouldEvaluateTo("lastKeyboardEvent.location", evLocation);
 }
 
 var textarea = document.createElement("textarea");
 textarea.addEventListener("keydown", recordKeyEvent, false);
 document.body.insertBefore(textarea, document.body.firstChild);
 textarea.focus();
 
 if (window.eventSender) {
-    // location=0 indicates that we send events as standard keys.
-    testKeyEventWithLocation("pageUp", 0, 33);
-    testKeyEventWithLocation("pageDown", 0, 34);
-    testKeyEventWithLocation("home", 0, 36);
-    testKeyEventWithLocation("end", 0, 35);
-    testKeyEventWithLocation("leftArrow", 0, 37);
-    testKeyEventWithLocation("rightArrow", 0, 39);
-    testKeyEventWithLocation("upArrow", 0, 38);
-    testKeyEventWithLocation("downArrow", 0, 40);
-    testKeyEventWithLocation("insert", 0, 45);
-    testKeyEventWithLocation("delete", 0, 46);
+    testKeyEventWithLocation("pageUp", "KeyboardEvent.DOM_KEY_LOCATION_STANDARD", 33);
+    testKeyEventWithLocation("pageDown", "KeyboardEvent.DOM_KEY_LOCATION_STANDARD", 34);
+    testKeyEventWithLocation("home", "KeyboardEvent.DOM_KEY_LOCATION_STANDARD", 36);
+    testKeyEventWithLocation("end", "KeyboardEvent.DOM_KEY_LOCATION_STANDARD", 35);
+    testKeyEventWithLocation("leftArrow", "KeyboardEvent.DOM_KEY_LOCATION_STANDARD", 37);
+    testKeyEventWithLocation("rightArrow", "KeyboardEvent.DOM_KEY_LOCATION_STANDARD", 39);
+    testKeyEventWithLocation("upArrow", "KeyboardEvent.DOM_KEY_LOCATION_STANDARD", 38);
+    testKeyEventWithLocation("downArrow", "KeyboardEvent.DOM_KEY_LOCATION_STANDARD", 40);
+    testKeyEventWithLocation("insert", "KeyboardEvent.DOM_KEY_LOCATION_STANDARD", 45);
+    testKeyEventWithLocation("delete", "KeyboardEvent.DOM_KEY_LOCATION_STANDARD", 46);
 
-    // location=3 indicates that we send events as numeric-pad keys.
-    testKeyEventWithLocation("pageUp", 3, 33);
-    testKeyEventWithLocation("pageDown", 3, 34);
-    testKeyEventWithLocation("home", 3, 36);
-    testKeyEventWithLocation("end", 3, 35);
-    testKeyEventWithLocation("leftArrow", 3, 37);
-    testKeyEventWithLocation("rightArrow", 3, 39);
-    testKeyEventWithLocation("upArrow", 3, 38);
-    testKeyEventWithLocation("downArrow", 3, 40);
-    testKeyEventWithLocation("insert", 3, 45);
-    testKeyEventWithLocation("delete", 3, 46);
+    testKeyEventWithLocation("pageUp", "KeyboardEvent.DOM_KEY_LOCATION_NUMPAD", 33);
+    testKeyEventWithLocation("pageDown", "KeyboardEvent.DOM_KEY_LOCATION_NUMPAD", 34);
+    testKeyEventWithLocation("home", "KeyboardEvent.DOM_KEY_LOCATION_NUMPAD", 36);
+    testKeyEventWithLocation("end", "KeyboardEvent.DOM_KEY_LOCATION_NUMPAD", 35);
+    testKeyEventWithLocation("leftArrow", "KeyboardEvent.DOM_KEY_LOCATION_NUMPAD", 37);
+    testKeyEventWithLocation("rightArrow", "KeyboardEvent.DOM_KEY_LOCATION_NUMPAD", 39);
+    testKeyEventWithLocation("upArrow", "KeyboardEvent.DOM_KEY_LOCATION_NUMPAD", 38);
+    testKeyEventWithLocation("downArrow", "KeyboardEvent.DOM_KEY_LOCATION_NUMPAD", 40);
+    testKeyEventWithLocation("insert", "KeyboardEvent.DOM_KEY_LOCATION_NUMPAD", 45);
+    testKeyEventWithLocation("delete", "KeyboardEvent.DOM_KEY_LOCATION_NUMPAD", 46);
 } else {
-    debug("This test requires DumpRenderTree.  To manually test, 1) focus on the textarea above and push numpad keys without locking NumLock and 2) see if the location= value is 3 (DOM_KEY_LOCATION_NUMPAD specified in DOM level 3).");
+    debug("This test requires DumpRenderTree.  To manually test, 1) focus on the textarea above and push numpad keys without locking NumLock and 2) see if the location= value is KeyboardEvent.DOM_KEY_LOCATION_NUMPAD (specified in DOM level 3).");
 }