CSS Model Fixes - Only remove properties is the given property exists - Use getter methods to generate the cssText content
CSS Model Fixes
- Only remove properties is the given property exists
- Use getter methods to generate the cssText content

git-svn-id: fee2f9d9346b8657e89479033ad1de9fa6f86c24@3340 e969d3be-0e28-0410-a27f-dd5c76401a8b

kpdecker/firediff