AU: Some graph types and a couple utility functions
These will be used by the delta diff generator.
Review URL: http://codereview.chromium.org/578009
diff --git a/SConstruct b/SConstruct
index 38ae3f1..0f600a2 100644
--- a/SConstruct
+++ b/SConstruct
@@ -93,6 +93,7 @@
filesystem_copier_action.cc
filesystem_iterator.cc
file_writer.cc
+ graph_utils.cc
gzip.cc
libcurl_http_fetcher.cc
omaha_hash_calculator.cc
@@ -117,6 +118,7 @@
file_writer_unittest.cc
filesystem_copier_action_unittest.cc
filesystem_iterator_unittest.cc
+ graph_utils_unittest.cc
gzip_unittest.cc
http_fetcher_unittest.cc
mock_http_fetcher.cc