buffer: clean up contentType

This fixes a bug where setContentType would call setHTML twice, which
messed up charsets and probably a couple more things. As a bonus, it
allows us to pass around the content type less.

In fact, buffer does not have to know its exact content type, just
whether it is in HTML mode or not. So that's all we tell it now;
only container still keeps track of the content type (as it should).

0 files changed, 0 insertions, 0 deletions