Avoid using non-standard property names in test

PerformanceTests/CSS/CSSPropertyUpdateValue.html

Index: PerformanceTests/CSS/CSSPropertyUpdateValue.html
diff --git a/PerformanceTests/CSS/CSSPropertyUpdateValue.html b/PerformanceTests/CSS/CSSPropertyUpdateValue.html
index 6ac8ea4a4ab7159aa5f2789e96abd3a07c90f9f2..d59f20b65d25163ea1b25fe2a68fe8bc804ae37d 100644
--- a/PerformanceTests/CSS/CSSPropertyUpdateValue.html
+++ b/PerformanceTests/CSS/CSSPropertyUpdateValue.html
@@ -13,7 +13,7 @@ var properties = {
 'backgroundColor' : 'green',
 'backgroundImage' : 'url(\'test.png\')',
 'backgroundPosition' : 'top',
-'background-repeat' : 'repeat-x',
+'backgroundRepeat' : 'repeat-x',
 'background' : '#ffffff url(\'img_tree.png\') no-repeat right top',
 'border' : '20px dotted red',
 'borderBottomStyle' : 'dotted',
@@ -31,7 +31,7 @@ var properties = {
 'content' : 'normal',
 'direction' : 'rtl',
 'display' : 'block',
-'float' : 'right',
+'cssFloat' : 'right',
 'fontFamily' : '"Times New Roman",Georgia,Serif',
 'fontSize' : '13px',
 'fontVariant' : 'small-caps',