Add perf histogram and tests for inline signin

tools/perf/benchmarks/signin.py

Index: tools/perf/benchmarks/signin.py
diff --git a/tools/perf/benchmarks/signin.py b/tools/perf/benchmarks/signin.py
new file mode 100644
index 0000000000000000000000000000000000000000..97ee122612846de0b0c2286338ba592a9563321d
--- /dev/null
+++ b/tools/perf/benchmarks/signin.py
@@ -0,0 +1,28 @@
+# Copyright 2014 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 measurements import signin
+from telemetry import test
+
+class SigninSingleTab(test.Test):
+  tag = 'navigate'
+  test = signin.SigninMeasurement
+  page_set = 'page_sets/signin.json'
+  options = {'pageset_repeat_iters': 5}
+
+
+class SigninMultiTab(test.Test):
+  tag = 'multitab_navigate'
+  test = signin.SigninMultiTabMeasurement
+  page_set = 'page_sets/signin.json'
+  options = {'pageset_repeat_iters': 10}
+
+
+class SigninStartup(test.Test):
+  # This test runs against the real gaia server, thus should not be used for
+  # benchmarking.
+  tag = 'startup'
+  test = signin.SigninStartUpMeasurement
+  page_set = 'page_sets/blank_page.json'
+  options = {'pageset_repeat_iters': 5}