Add libva to chromium third_party.

third_party/libva/debian.upstream/Makefile.am

Index: third_party/libva/debian.upstream/Makefile.am
diff --git a/third_party/libva/debian.upstream/Makefile.am b/third_party/libva/debian.upstream/Makefile.am
new file mode 100644
index 0000000000000000000000000000000000000000..87a571a086c823b88a2f6d2083bf74d9fd5e7466
--- /dev/null
+++ b/third_party/libva/debian.upstream/Makefile.am
@@ -0,0 +1,33 @@
+DEBIANFILES = \
+	README.Debian				\
+	changelog.in				\
+	compat					\
+	control.in				\
+	copyright				\
+	libva-dev.dirs				\
+	libva-dev.install			\
+	libva1.dirs				\
+	libva1.install				\
+	rules					\
+	vainfo.install				\
+	$(NULL)
+
+DEBIANGENFILES =				\
+	changelog				\
+	control					\
+	$(NULL)
+
+EXTRA_DIST = $(DEBIANFILES)
+
+dist_noinst_DATA = $(DEBIANGENFILES)
+
+# Extra clean files so that maintainer-clean removes *everything*
+MAINTAINERCLEANFILES = Makefile.in $(DEBIANGENFILES)
+
+$(DEBIANGENFILES): %: %.in Makefile
+	-sed \
+	  -e 's|\@DATE\@|'"`LC_ALL=C date +'%a, %d %b %Y %X %z'`"'|' \
+	  -e 's|\@LIBDRM_VERSION\@|$(LIBDRM_VERSION)|' \
+	  -e 's|\@LIBVA_PACKAGE_VERSION\@|$(LIBVA_PACKAGE_VERSION)|' \
+	  -e 's|\@PACKAGE_VERSION\@|$(PACKAGE_VERSION)|' \
+	  $< > $@