Add a telemetry measurement for property tree performance.

tools/perf/benchmarks/draw_properties.py

Index: tools/perf/benchmarks/draw_properties.py
diff --git a/tools/perf/benchmarks/draw_properties.py b/tools/perf/benchmarks/draw_properties.py
new file mode 100644
index 0000000000000000000000000000000000000000..7f928f87434df72738905e3c278f299570674864
--- /dev/null
+++ b/tools/perf/benchmarks/draw_properties.py
@@ -0,0 +1,17 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+from telemetry import benchmark
+
+from measurements import draw_properties
+import page_sets
+
+
+class DrawPropertiesToughScrolling(benchmark.Benchmark):
+  test = draw_properties.DrawProperties
+  page_set = page_sets.ToughScrollingCasesPageSet
+  @classmethod
+  def Name(cls):
+    return 'draw_properties.draw_properties_measurement'
+