change string read/write to store length as full 32-bit value. This simplifies
the internal logic, and allows SkFlattenable to rely on this when distinguishing
between 0 and indices (which will soon be negative) and string-lengths.



git-svn-id: http://skia.googlecode.com/svn/trunk@1660 2bbb7eff-a529-9590-31e7-b0007b416f81
2 files changed