Fixed an assertion.
Added a few more properties for getComputedStyle and did some clean up.
r=heikki, sr=jst
git-svn-id: svn://10.0.0.236/trunk@89299 18797224-902f-48f8-a5cc-f745e15eee43
Contextual information added to HTML copy and intelligence added to HTML paste in the editor (fixes bugs 47014, 50568 and 46554, and partly (at least) fixes bug 53188).
Code written by vidur, jfrancis, jst, akkana. Tested by jfrancis, akkana, vidur, jst, kin. Reviwed (and super reviewed) by waterson, vidur, kin, jfrancis, jst
git-svn-id: svn://10.0.0.236/trunk@80681 18797224-902f-48f8-a5cc-f745e15eee43