Create unprefixed versions of pointerlockchange & pointerlockerror events.

LayoutTests/pointer-lock/lock-already-locked.html

Index: LayoutTests/pointer-lock/lock-already-locked.html
diff --git a/LayoutTests/pointer-lock/lock-already-locked.html b/LayoutTests/pointer-lock/lock-already-locked.html
index f83920c20d858dd645c3406b2bf8bca3702fffc4..42fa80dd6d1c47c27941916fddf30c8bdd4a783d 100644
--- a/LayoutTests/pointer-lock/lock-already-locked.html
+++ b/LayoutTests/pointer-lock/lock-already-locked.html
@@ -18,14 +18,14 @@
 
     // Expect change event only for all transitions below.
     expectedTargetToBeLockedString = "";
-    document.onwebkitpointerlockchange = function ()
+    document.onpointerlockchange = function ()
         {
-            testPassed("document.onwebkitpointerlockchange event received.");
+            testPassed("document.onpointerlockchange event received.");
             shouldBe("document.webkitPointerLockElement", expectedTargetToBeLockedString);
             doNextStepWithUserGesture();
         };
-    document.onwebkitpointerlockerror =
-        function () { testFailed("document.onwebkitpointerlockerror event received."); finishJSTest(); };
+    document.onpointerlockerror =
+        function () { testFailed("document.onpointerlockerror event received."); finishJSTest(); };
 
     var expectTarget1Unlock = false;
     targetdiv1.addEventListener("webkitpointerlocklost",
@@ -41,20 +41,20 @@
             debug("     Locking targetdiv1.")
             targetdiv1.webkitRequestPointerLock();
             expectedTargetToBeLockedString = "targetdiv1";
-            // doNextStep() called by onwebkitpointerlockchange handler.
+            // doNextStep() called by onpointerlockchange handler.
         },
         function () {
             debug("     Locking targetdiv1, again.")
             targetdiv1.webkitRequestPointerLock();
             expectedTargetToBeLockedString = "targetdiv1";
-            // doNextStep() called by onwebkitpointerlockchange handler.
+            // doNextStep() called by onpointerlockchange handler.
         },
         function () {
             debug("     Locking targetdiv2.")
             expectTarget1Unlock = true;
             targetdiv2.webkitRequestPointerLock();
             expectedTargetToBeLockedString = "targetdiv2";
-            // doNextStep() called by onwebkitpointerlockchange handler.
+            // doNextStep() called by onpointerlockchange handler.
         },
     ];
     doNextStepWithUserGesture();