Bug 903880 part 1: Create a helper-function to set a flex item's base size (and update its hypothetical main size). r=dbaron
Bug 903880 part 2: Resolve the flex base size produced by "height:auto" *after* we create a FlexItem object. r=dbaron
Bug 903880 part 3: Convert "ResolveStretchedSize" into a member-function on FlexItem. r=dbaron
Bug 903880 part 4: Resolve stretched cross-size early, if we know the container's cross size, and use the result when establishing main size. r=dbaron
Bug 903880 part 5: Reftest. r=dbaron
Bug 932303: Mark parser/htmlparser/src as FAIL_ON_WARNINGS. r=mrbkap
Bug 926275: Remove mozalloc_macro_wrappers.h and mozalloc_undef_macro_wrappers.h. r=bsmedberg
Bug 839269: Mark gfx/2d as FAIL_ON_WARNINGS. r=jmuizelaar