Bug 995730 - Change xpcom/base/ to use 2 space indentation
This also removes trailing whitespace in reindented files.
Bug 995730 - Change xpcom/io/ to use 2 space indentation
This also removes trailing whitespace in reindented files.
Bug 995730 - Change xpcom/string/ to use 2 space indentation
This also removes trailing whitespace in reindented files.