Fix improper scrollTop/Left usage in LayoutTests/

LayoutTests/http/tests/navigation/resources/frame-with-anchor-gbk.html

Index: LayoutTests/http/tests/navigation/resources/frame-with-anchor-gbk.html
diff --git a/LayoutTests/http/tests/navigation/resources/frame-with-anchor-gbk.html b/LayoutTests/http/tests/navigation/resources/frame-with-anchor-gbk.html
index a4b9c5cc65b0951e6f5a306aa38e43c2b38d47ce..f5727e33d24ffa980356f635fd5569d78c9a4ff1 100644
--- a/LayoutTests/http/tests/navigation/resources/frame-with-anchor-gbk.html
+++ b/LayoutTests/http/tests/navigation/resources/frame-with-anchor-gbk.html
@@ -15,10 +15,10 @@
           shouldBeTrue('document.body.offsetHeight > document.documentElement.clientHeight');
           
           // We should be scrolled at least a little bit
-          shouldBeTrue('document.body.scrollTop > 0');
+          shouldBeTrue('document.documentElement.scrollTop > 0');
           
           // And the bottom of the viewable area should be at least 2000 pixels from the top, due to the spacer element above.
-          shouldBeTrue('document.body.scrollTop + document.documentElement.clientHeight > 2000');
+          shouldBeTrue('document.documentElement.scrollTop + document.documentElement.clientHeight > 2000');
 
           finishJSTest();          
       }, 0);