IE11 progress; some refactoring

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9311 5f5364db-9458-4db8-a492-e30667be6df6
IE11 progress

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9312 5f5364db-9458-4db8-a492-e30667be6df6
IE11 progress

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9313 5f5364db-9458-4db8-a492-e30667be6df6
code style fix

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9314 5f5364db-9458-4db8-a492-e30667be6df6
IE11 progress

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9315 5f5364db-9458-4db8-a492-e30667be6df6
test migrated

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9316 5f5364db-9458-4db8-a492-e30667be6df6