Show number of uknown instrumented objects on a single graph for all test sites

chrome/test/functional/devtools_instrumented_objects_check.py

Index: chrome/test/functional/devtools_instrumented_objects_check.py
diff --git a/chrome/test/functional/devtools_instrumented_objects_check.py b/chrome/test/functional/devtools_instrumented_objects_check.py
index 20d8da5d7c461343f5b02c4cc27c495c3113d676..b415af72b0f62905214acaeedfed5355b64fa525 100755
--- a/chrome/test/functional/devtools_instrumented_objects_check.py
+++ b/chrome/test/functional/devtools_instrumented_objects_check.py
@@ -65,11 +65,8 @@ class DevToolsInstrumentedObjectsCheck(devtools_test_base.DevToolsTestBase):
       return
     logging.info('Got data for: %s, objects count = %d (unknown = %d) ' %
         (hostname, counted_objects, counted_unknown_objects))
-    graph_name = 'DevTools Instrumented Objects - ' + hostname
-    pyauto_utils.PrintPerfResult(graph_name, 'Reported instrumented objects',
-        counted_objects, 'objects')
-    pyauto_utils.PrintPerfResult(graph_name, 'Not allocated by tcmalloc',
-        counted_unknown_objects, 'objects')
+    pyauto_utils.PrintPerfResult('DevTools Unknown Instrumented Objects',
+        hostname, counted_unknown_objects, 'objects')
 
 
 if __name__ == '__main__':