Adding GooglePlayStoreDesktop system_health media browsing story.

The Play Store page contains many WebP images (lossy for movie covers and lossless for Google-created vector art), which is an image rendering category that is currently not well covered.

Bug: 878390
Change-Id: I7298c3e077497e40506a1f6528318a80e5df0221
Reviewed-on: https://chromium-review.googlesource.com/c/1309115
Commit-Queue: Madeleine Barowsky <mbarowsky@chromium.org>
Reviewed-by: Emily Hanley <eyaich@chromium.org>
Cr-Commit-Position: refs/heads/master@{#607317}

tools/perf/benchmark.csv

@@ -56,16 +56,16 @@ speedometer2,hablich@chromium.org,Blink,,
 speedometer2-future,hablich@chromium.org,Blink,,
 startup.mobile,"pasko@chromium.org, chrome-android-perf-status@chromium.org",Speed>Metrics>SystemHealthRegressions,,
 supersize_archive,agrieve@chromium.org,,,
-system_health.common_desktop,"charliea@chromium.org, sullivan@chromium.org, tdresser@chromium.org, chrome-speed-metrics-dev@chromium.org",Speed>Metrics>SystemHealthRegressions,https://bit.ly/system-health-benchmarks,"2016,2018,accessibility,emerging_market,health_check,infinite_scroll,international,javascript_heavy,keyboard_input,scroll,tabs_switching,webgl"
+system_health.common_desktop,"charliea@chromium.org, sullivan@chromium.org, tdresser@chromium.org, chrome-speed-metrics-dev@chromium.org",Speed>Metrics>SystemHealthRegressions,https://bit.ly/system-health-benchmarks,"2016,2018,accessibility,emerging_market,health_check,images,infinite_scroll,international,javascript_heavy,keyboard_input,scroll,tabs_switching,webgl"
 system_health.common_mobile,"charliea@chromium.org, sullivan@chromium.org, tdresser@chromium.org, perezju@chromium.org, chrome-speed-metrics-dev@chromium.org",Speed>Metrics>SystemHealthRegressions,https://bit.ly/system-health-benchmarks,"2016,2018,emerging_market,health_check,infinite_scroll,international,javascript_heavy"
-system_health.memory_desktop,perezju@chromium.org,,https://bit.ly/system-health-benchmarks,"2016,2018,accessibility,emerging_market,health_check,infinite_scroll,international,javascript_heavy,keyboard_input,scroll,tabs_switching,webgl"
+system_health.memory_desktop,perezju@chromium.org,,https://bit.ly/system-health-benchmarks,"2016,2018,accessibility,emerging_market,health_check,images,infinite_scroll,international,javascript_heavy,keyboard_input,scroll,tabs_switching,webgl"
 system_health.memory_mobile,perezju@chromium.org,,https://bit.ly/system-health-benchmarks,"2016,2018,emerging_market,health_check,infinite_scroll,international,javascript_heavy"
 system_health.webview_startup,"perezju@chromium.org, torne@chromium.org, changwan@chromium.org",Mobile>WebView>Perf,,"2016,health_check"
 tab_switching.typical_25,vovoy@chromium.org,OS>Performance,,"2016,tabs_switching"
 tracing.tracing_with_background_memory_infra,ssid@chromium.org,,,
 tracing_perftests,"kkraynov@chromium.org, primiano@chromium.org",,,
-v8.browsing_desktop,"mythria@chromium.org, ulan@chromium.org",Blink>JavaScript,,"2016,2018,health_check,infinite_scroll,international,javascript_heavy,webgl"
-v8.browsing_desktop-future,"mythria@chromium.org, ulan@chromium.org",Blink>JavaScript,,"2016,2018,health_check,infinite_scroll,international,javascript_heavy,webgl"
+v8.browsing_desktop,"mythria@chromium.org, ulan@chromium.org",Blink>JavaScript,,"2016,2018,health_check,images,infinite_scroll,international,javascript_heavy,webgl"
+v8.browsing_desktop-future,"mythria@chromium.org, ulan@chromium.org",Blink>JavaScript,,"2016,2018,health_check,images,infinite_scroll,international,javascript_heavy,webgl"
 v8.browsing_mobile,"mythria@chromium.org, ulan@chromium.org",Blink>JavaScript,,"2016,2018,emerging_market,health_check,infinite_scroll,international,javascript_heavy"
 v8.browsing_mobile-future,"mythria@chromium.org, ulan@chromium.org",Blink>JavaScript,,"2016,2018,emerging_market,health_check,infinite_scroll,international,javascript_heavy"
 v8.runtime_stats.top_25,"cbruni@chromium.org, mythria@chromium.org",Blink>JavaScript,,"cold,hot,warm"

tools/perf/page_sets/data/system_health_desktop.json

@@ -3,6 +3,9 @@
         "browse:media:flickr_infinite_scroll": {
             "DEFAULT": "system_health_desktop_057.wprgo"
         },
+        "browse:media:googleplaystore:2018": {
+            "DEFAULT": "system_health_desktop_ea41d8bc49.wprgo"
+        },
         "browse:media:imgur": {
             "DEFAULT": "system_health_desktop_025.wprgo"
         },
@@ -324,4 +327,4 @@
     },
     "description": "Describes the Web Page Replay archives for a story set. Don't edit by hand! Use record_wpr for updating.",
     "platform_specific": true
-}
\ No newline at end of file
+}

tools/perf/page_sets/data/system_health_desktop_ea41d8bc49.wprgo.sha1

+ea41d8bc4996cc69ca51ba5227a43b1cdf0e057c
\ No newline at end of file

tools/perf/page_sets/system_health/browsing_stories.py

@@ -764,6 +764,30 @@ class PinterestDesktopStory2018(_MediaBrowsingStory):
       action_runner.Wait(2)
 
 
+class GooglePlayStoreDesktopStory(_MediaBrowsingStory):
+  """ Navigate to the movies page of Google Play Store, scroll to the bottom,
+  and click "see more" of a middle category (last before second scroll).
+  """
+  NAME = 'browse:media:googleplaystore:2018'
+  URL = 'https://play.google.com/store/movies'
+  ITEM_SELECTOR = ''
+  SUPPORTED_PLATFORMS = platforms.DESKTOP_ONLY
+  IS_SINGLE_PAGE_APP = True
+  TAGS = [story_tags.YEAR_2018, story_tags.IMAGES]
+  # intends to select the last category of movies and its "see more" button
+  _SEE_MORE_SELECTOR = ('div[class*="cluster-container"]:last-of-type '
+                        'a[class*="see-more"]')
+
+  def _DidLoadDocument(self, action_runner):
+    action_runner.ScrollPage()
+    action_runner.Wait(2)
+    action_runner.ScrollPage()
+    action_runner.Wait(2)
+    action_runner.MouseClick(self._SEE_MORE_SELECTOR)
+    action_runner.Wait(2)
+    action_runner.ScrollPage()
+
+
 ##############################################################################
 # Emerging market browsing stories.
 ##############################################################################