AU: Class to perform delta updates.

src/platform/update_engine/graph_utils.h

Index: src/platform/update_engine/graph_utils.h
diff --git a/src/platform/update_engine/graph_utils.h b/src/platform/update_engine/graph_utils.h
index 62ecfd53a63835a4911c7c9750b2aefa5ec1cda1..fd602eabea22733ced86408bc22a9ee9bcb564d9 100644
--- a/src/platform/update_engine/graph_utils.h
+++ b/src/platform/update_engine/graph_utils.h
@@ -17,12 +17,12 @@ namespace chromeos_update_engine {
 namespace graph_utils {
 
 // Returns the number of blocks represented by all extents in the edge.
-uint64 EdgeWeight(const Graph& graph, const Edge& edge);
+uint64_t EdgeWeight(const Graph& graph, const Edge& edge);
 
 // block must either be the next block in the last extent or a block
 // in the next extent. This function will not handle inserting block
 // into an arbitrary place in the extents.
-void AppendBlockToExtents(std::vector<Extent>* extents, uint64 block);
+void AppendBlockToExtents(std::vector<Extent>* extents, uint64_t block);
 
 }  // namespace graph_utils