Change TextContext handling of stages and draw targets; this allows us to
assert in GrContext::setPaint() that all stages are disabled every time
the paint is set.

Watch for possible performance implications.

http://codereview.appspot.com/6347043/



git-svn-id: http://skia.googlecode.com/svn/trunk@4531 2bbb7eff-a529-9590-31e7-b0007b416f81
3 files changed