Revert of Update image data upon changing the img.crossorigin attribute.

LayoutTests/http/tests/resources/origin.php

 <?php
-header('HTTP/1.1 302 Found');
-header('Location: ' . ($_SERVER['HTTP_ORIGIN'] ? 'square100.png' : 'square200.png'));
-?>
+
+$gotOrigin = 0;
+foreach (getallheaders() as $name => $value) {
+    if ($name == "Origin") {
+        $gotOrigin = 1;
+    }
+}
+
+if ($gotOrigin) {
+    header('Location: square100.png');
+}
+else {
+    header('Location: square200.png');
+}
+header('HTTP/1.1 302 Redirect');