Add new Telemetry tests to get CPU and memory usage for idle and flinging two test scenarios. Mirro…

chrome/test/media_router/telemetry/benchmarks/pagesets/media_router_pages.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 import page
-from telemetry import story
-from telemetry.page import shared_page_state
-from telemetry.core import exceptions
-
-
-class CastPage(page.Page):
-
-  def __init__(self, page_set):
-    super(CastPage, self).__init__(
-        url='file://basic_test.html',
-        page_set=page_set)
-
-  def RunPageInteractions(self, action_runner):
-    with action_runner.CreateInteraction('LaunchDialog'):
-      # Wait for 5s after Chrome is opened in order to get consistent results.
-      action_runner.Wait(5)
-      action_runner.TapElement(selector='#start_session_button')
-      action_runner.Wait(5)
-      for tab in action_runner.tab.browser.tabs:
-        # Close media router dialog
-        if tab.url == 'chrome://media-router/':
-          try:
-            tab.ExecuteJavaScript(
-                'window.document.getElementById("media-router-container").' +
-                'shadowRoot.getElementById("container-header").shadowRoot.' +
-                'getElementById("close-button").click();')
-          except exceptions.DevtoolsTargetCrashException:
-            # Ignore the crash exception, this exception is caused by the js
-            # code which closes the dialog, it is expected.
-            pass
-
-
-class MediaRouterPageSet(story.StorySet):
-
-  def __init__(self):
-    super(MediaRouterPageSet, self).__init__(
-        cloud_storage_bucket=story.PARTNER_BUCKET)
-    self.AddStory(CastPage(self))