Don't test CSSValue in http/tests/security tests

LayoutTests/http/tests/security/cross-frame-access-put.html

Index: LayoutTests/http/tests/security/cross-frame-access-put.html
diff --git a/LayoutTests/http/tests/security/cross-frame-access-put.html b/LayoutTests/http/tests/security/cross-frame-access-put.html
index 176068ef317b019e63a3db01b9f22997e78c07a0..9ba59e07f8dabdaa85b90a6b84d5090166edd73f 100644
--- a/LayoutTests/http/tests/security/cross-frame-access-put.html
+++ b/LayoutTests/http/tests/security/cross-frame-access-put.html
@@ -32,10 +32,8 @@ window.onload = function()
     setForbiddenProperty(targetWindow, "CDATASection");
     setForbiddenProperty(targetWindow, "CharacterData");
     setForbiddenProperty(targetWindow, "Comment");
-    setForbiddenProperty(targetWindow, "CSSPrimitiveValue");
     setForbiddenProperty(targetWindow, "CSSRule");
     setForbiddenProperty(targetWindow, "CSSStyleDeclaration");
-    setForbiddenProperty(targetWindow, "CSSValue");
     setForbiddenProperty(targetWindow, "Document");
     setForbiddenProperty(targetWindow, "DocumentFragment");
     setForbiddenProperty(targetWindow, "DocumentType");