[Telemetry] Add BattOr benchmark.

tools/perf/page_sets/power_cases.py

+# Copyright 2016 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_module
+from telemetry.page import shared_page_state
+from telemetry import story
+
+
+URL_LIST = [
+    'https://webkit.org/blog-files/3d-transforms/poster-circle.html',
+    # Does not autoplay on Android devices.
+    'https://www.youtube.com/watch?v=3KANI2dpXLw?autoplay=1',
+    'about:blank'
+]
+
+
+class PowerCasesPage(page_module.Page):
+
+  def __init__(self, url, page_set, name=''):
+    super(PowerCasesPage, self).__init__(
+        url=url, page_set=page_set, name=name,
+        credentials_path = 'data/credentials.json',
+        shared_page_state_class=shared_page_state.SharedDesktopPageState)
+    self.archive_data_file = 'data/power_cases.json'
+
+  def RunPageInteractions(self, action_runner):
+    action_runner.Wait(30)
+
+
+class PowerCasesPageSet(story.StorySet):
+  """Power hungry pages, used for power testing."""
+
+  def __init__(self):
+    super(PowerCasesPageSet, self).__init__(
+        archive_data_file='data/power_cases.json',
+        cloud_storage_bucket=story.PARTNER_BUCKET)
+
+    for url in URL_LIST:
+      self.AddStory(PowerCasesPage(url, self))