Revert of Remove prefixed Pointer Lock API.

LayoutTests/pointer-lock/pointerlockchange-pointerlockerror-events-prefixed-expected.txt

Index: LayoutTests/pointer-lock/pointerlockchange-pointerlockerror-events-prefixed-expected.txt
diff --git a/LayoutTests/pointer-lock/pointerlockchange-pointerlockerror-events-prefixed-expected.txt b/LayoutTests/pointer-lock/pointerlockchange-pointerlockerror-events-prefixed-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ab6df5890b50ccc42cb391340308fbf52aaf3bf1
--- /dev/null
+++ b/LayoutTests/pointer-lock/pointerlockchange-pointerlockerror-events-prefixed-expected.txt
@@ -0,0 +1,43 @@
+Test expected pointerlockchange and pointerlockerror events.
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+     Unlock.
+     Lock targetDiv1.
+PASS onwebkitpointerlockchange received after: Lock targetDiv1.
+     Unlock again.
+PASS onwebkitpointerlockchange received after: Unlock again.
+     Lock targetDiv1 again.
+PASS onwebkitpointerlockchange received after: Lock targetDiv1 again.
+     Lock targetDiv2.
+PASS onwebkitpointerlockchange received after: Lock targetDiv2.
+     Lock targetDiv2 again.
+PASS onwebkitpointerlockchange received after: Lock targetDiv2 again.
+     Unlock targetDiv2.
+PASS onwebkitpointerlockchange received after: Unlock targetDiv2.
+     Lock targetIframe1.
+     Lock targetIframe1 (handler for iframe1).
+PASS onwebkitpointerlockchange received after: Lock targetIframe1 (handler for iframe1).
+     Lock targetIframe2.
+     Lock targetIframe2 (handler for iframe1).
+     Lock targetIframe2 (handler for iframe2).
+PASS onwebkitpointerlockerror received after: Lock targetIframe2 (handler for iframe2).
+     Unlock targetIframe2.
+     Unlock targetIframe2 (handler for iframe1).
+     Unlock targetIframe2 (handler for iframe2).
+PASS onwebkitpointerlockchange received after: Unlock targetIframe2 (handler for iframe1).
+PASS testRunner.setPointerLockWillFailSynchronously is defined.
+     Lock with synchronous failure.
+PASS onwebkitpointerlockerror received after: Lock with synchronous failure.
+PASS testRunner.setPointerLockWillRespondAsynchronously is defined.
+PASS testRunner.didAcquirePointerLock is defined.
+PASS testRunner.didNotAcquirePointerLock is defined.
+     Lock with asynchronous failure.
+PASS onwebkitpointerlockerror received after: Lock with asynchronous failure.
+     Lock with asynchronous success.
+PASS onwebkitpointerlockchange received after: Lock with asynchronous success.
+PASS successfullyParsed is true
+
+TEST COMPLETE
+