added representation to xhtml title.

git-svn-id: http://skia.googlecode.com/svn/trunk@5115 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/bench/bench_graph_svg.py b/bench/bench_graph_svg.py
index 04c7bef..78a0366 100644
--- a/bench/bench_graph_svg.py
+++ b/bench/bench_graph_svg.py
@@ -356,6 +356,8 @@
         usage()
         sys.exit(2)
 
+    title += ' [representation: %s]' % rep
+
     latest_revision = get_latest_revision(directory)
     oldest_revision, newest_revision = parse_range(revision_range)
     oldest_regression, newest_regression = parse_range(regression_range)