JavaScript: ComputedCSSStyleDeclaration.getPropertyValue is supported in Chrome.

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9327 5f5364db-9458-4db8-a492-e30667be6df6
feature naming

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9328 5f5364db-9458-4db8-a492-e30667be6df6