Most css1/ tests should wait for basebg.gif to be loaded

third_party/WebKit/LayoutTests/css1/units/urls.html

Index: third_party/WebKit/LayoutTests/css1/units/urls.html
diff --git a/third_party/WebKit/LayoutTests/css1/units/urls.html b/third_party/WebKit/LayoutTests/css1/units/urls.html
index e94890ce2332a7076b24d0304bb841f5685045c7..cd87407a05dc0bb18d48a4476f7e1fdb8605eeea 100644
--- a/third_party/WebKit/LayoutTests/css1/units/urls.html
+++ b/third_party/WebKit/LayoutTests/css1/units/urls.html
@@ -4,6 +4,7 @@
 <meta http-equiv="Content-Style-Type" content="text/css">
 
 <link rel="stylesheet" type="text/css" media="screen" href="../resources/base.css">
+<script src="../resources/base.js"></script>
 <link rel="stylesheet" type="text/css" media="screen" href="../resources/sec64.css">
 <style type="text/css">
 @import url(../resources/sec642.css);
@@ -51,4 +52,4 @@ image should appear in the background.  If an image, in this case a red
 square-- or, indeed, any red at all-- is seen there, then the browser
 has incorrectly interpreted a URL in relation to the document's URL,
 not the stylesheet's URL. </p>
-</td></tr></tbody></table></body></html>
+</td></tr></tbody></table></body></html>