Ignore traces

golden/go/diff/diff.go

Index: golden/go/diff/diff.go
diff --git a/golden/go/diff/diff.go b/golden/go/diff/diff.go
index 29fbb3056f1407928a61b5914667a044afb06844..aae2c887c004bddd855656ce835cc7f9e037e2b6 100644
--- a/golden/go/diff/diff.go
+++ b/golden/go/diff/diff.go
@@ -40,10 +40,10 @@ type DiffStore interface {
 	// image digests.
 	AbsPath(digest []string) map[string]string
 
-	// IgnoreableDigests returns the set of digests that cannot be downloaded or
+	// UnavailableDigests returns the set of digests that cannot be downloaded or
 	// processed (e.g. because the PNG is corrupted) and should therefore be
 	// be ignored. The return value is considered to be read only.
-	IgnorableDigests() map[string]bool
+	UnavailableDigests() map[string]bool
 }
 
 // OpenImage is a utility function that opens the specified file and returns an