A series of hooks into non-IDL-ized layout code to allow all the
layout debugging functions to be used from chrome.
Methods
init(win)
newURILoaded()
dumpWebShells()
dumpContent()
dumpFrames()
dumpViews()
dumpStyleSheets()
dumpStyleContexts()
dumpReflowStats()
Attributes
visualDebugging
visualEventDebugging
paintFlashing
paintDumping
invalidateDumping
eventDumping
motionEventDumping
crossingEventDumping
reflowCounts