Add Web Components page sets and benchmark

tools/perf/page_sets/web_components.py

Index: tools/perf/page_sets/web_components.py
diff --git a/tools/perf/page_sets/web_components.py b/tools/perf/page_sets/web_components.py
new file mode 100644
index 0000000000000000000000000000000000000000..ccbd1b48475319d9118ac9062ae53f4811b4bdd0
--- /dev/null
+++ b/tools/perf/page_sets/web_components.py
@@ -0,0 +1,19 @@
+# Copyright 2017 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.page import page as page
+from telemetry import story
+
+archive_data_file_path = 'data/web_components.json'
+
+class WebComponentsPageSet(story.StorySet):
+
+  def __init__(self):
+    super(WebComponentsPageSet, self).__init__(
+        archive_data_file=archive_data_file_path,
+        cloud_storage_bucket=story.PARTNER_BUCKET)
+
+    self.AddStory(page.Page(
+      'https://polymer-shop2.appspot.com/', self,
+      name='Polymer Shop2', make_javascript_deterministic=False))