MouseClick instead. Reworked nsHTMLButton::MouseClick factoring out code to get Reset and Submit button
types so MouseClick can be re-used by the nsGfxButtonControlFrame.
Fix for bug 13462. Set the nsHTMLButtonControlFrame's mForm in the initial reflow.
git-svn-id: svn://10.0.0.236/trunk@47161 18797224-902f-48f8-a5cc-f745e15eee43