Fix ignored parameter in TraceAnalyzer

This appears to be a bug where a parameter is ignored in one of its
members.

BUG=None

Review-Url: https://chromiumcodereview.appspot.com/2414133005
Cr-Commit-Position: refs/heads/master@{#426617}

(cherry picked from commit 06bca199aa1931102f3f33c7911a45d46c799654)

Change-Id: If5454cd7b87a36673f19be13d73681adecc4ba54
1 file changed