ef81d4b0c7
Summary: - Add CSSLayoutSetMemoryFuncs function which allows application to replace malloc, calloc, realloc and free with application's functions, like zalloc and zfree of zlib. - Fixed memory leaks in tests. - Close #247 For example, to use dlmalloc with USE_DL_PREFIX CSSLayoutSetMemoryFuncs(&dlmalloc, &dlcalloc, &dlrealloc, &dlfree); Reviewed By: emilsjolander Differential Revision: D4178386 fbshipit-source-id: a79dbdaf82a512f42cc43f99dbc49faba296903b