[perf] Add play:media:soundcloud:2018 system health story

Bug: 878390
Change-Id: Ida4352f5409bfed8dcdbe9a8cabd22014284c981
Reviewed-on: https://chromium-review.googlesource.com/1219689
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Juan Antonio Navarro Pérez <perezju@chromium.org>
Cr-Commit-Position: refs/heads/master@{#594652}

tools/perf/page_sets/data/system_health_desktop.json

@@ -240,6 +240,9 @@
         "play:media:soundcloud": {
             "DEFAULT": "system_health_desktop_030.wprgo"
         },
+        "play:media:soundcloud:2018": {
+            "DEFAULT": "system_health_desktop_57d9c71c88.wprgo"
+        },
         "search:portal:google": {
             "DEFAULT": "system_health_desktop_022.wprgo"
         }

tools/perf/page_sets/data/system_health_desktop_57d9c71c88.wprgo.sha1

+57d9c71c88accb07a365fd975c3c8054eeb19880
\ No newline at end of file

tools/perf/page_sets/system_health/media_stories.py

@@ -88,7 +88,26 @@ class SoundCloudDesktopStory(_MediaStory):
   STOP_SELECTOR = '.playControl.playControls__icon.sc-ir.playing'
   TIME_SELECTOR = '.playbackTimeline__timePassed>span[aria-hidden=true]'
   SEARCH_SELECTOR = '.headerSearch'
-  SEARCH_QUERY = 'SSmooth Jazz'  # First S for some reason gets ommited.
+  SEARCH_QUERY = 'SSmooth Jazz'  # First S for some reason gets omitted.
+
+  def _NavigateToMedia(self, action_runner):
+    self._WaitForAndClickElementBySelector(action_runner, self.SEARCH_SELECTOR)
+    action_runner.Wait(1)  # Add 1 second wait to make the browsing realistic.
+    action_runner.EnterText(self.SEARCH_QUERY)
+    action_runner.PressKey('Return')
+
+
+class SoundCloudDesktopStory2018(_MediaStory):
+  """Load soundcloud.com, search for "Smooth Jazz", then play a song."""
+  NAME = 'play:media:soundcloud:2018'
+  URL = 'https://soundcloud.com'
+  TAGS = [story_tags.YEAR_2018]
+
+  PLAY_SELECTOR = '.sc-button-play.playButton.sc-button.sc-button-xlarge'
+  STOP_SELECTOR = '.playControl.sc-ir.playing'
+  TIME_SELECTOR = '.playbackTimeline__timePassed>span[aria-hidden=true]'
+  SEARCH_SELECTOR = '.headerSearch'
+  SEARCH_QUERY = 'SSmooth Jazz'  # First S for some reason gets omitted.
 
   def _NavigateToMedia(self, action_runner):
     self._WaitForAndClickElementBySelector(action_runner, self.SEARCH_SELECTOR)