Resync with changes to readback.  Changed window id's for CheckWindowResize. Changed stencil to use GL_LEQUAL instead of GL_LESS, is one really more correct thatn the other?
Resync with changes to readback.  Changed window id's for CheckWindowResize. Changed stencil to use GL_LEQUAL instead of GL_LESS, is one really more correct thatn the other?

rpavlik/chromium,rpavlik/chromium,rpavlik/chromium,rpavlik/chromium,rpavlik/chromium