...to avoid confusion what that is actually about. (Especially, it is
completely unrelated to --enable-mozilla.)
ATTENTION: This renames the configure option --with-system-mozilla-headers to
--with-system-npapi-headers.
Change-Id: I48f3c79d69c4d4f445a94e7ddbeab06ea667becc
Naming convention for gbuild methods:
- "add" is used for stuff that is logically a part of the target
(i.e. not registered at the Module, but defined in the target's makefile)
- "use" is used for stuff that is logically a different target
(i.e. it is registered at the Module, has it's own makefile, may be
in a different module than the target)
