[perf] Add load:media:youtube:2018 system health story

This CL was created automatically with tools/perf/update_wpr script

R=perezju@chromium.org

Bug: 878390
Change-Id: Ifc106e9166ef46fbb04a87dee98af72a55da31bb
Reviewed-on: https://chromium-review.googlesource.com/c/1329925Reviewed-by: Juan Antonio Navarro Pérez <perezju@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#609226}

tools/perf/benchmarks/system_health_smoke_test.py

@@ -91,6 +91,7 @@ _DISABLED_TESTS = frozenset({
   'system_health.memory_desktop/load:media:google_images',
   'system_health.memory_desktop/load:media:imgur',
   'system_health.memory_desktop/load:media:soundcloud',
+  'system_health.memory_desktop/load:media:youtube',
   'system_health.memory_desktop/load:news:cnn',
   'system_health.memory_desktop/load:news:wikipedia',
   'system_health.memory_desktop/load:search:baidu',
@@ -105,6 +106,7 @@ _DISABLED_TESTS = frozenset({
   'system_health.memory_mobile/load:media:flickr',
   'system_health.memory_mobile/load:media:google_images',
   'system_health.memory_mobile/load:media:imgur',
+  'system_health.memory_mobile/load:media:youtube',
   'system_health.memory_mobile/load:news:wikipedia',
   'system_health.memory_mobile/load:search:baidu',
   'system_health.memory_mobile/load:search:ebay',

tools/perf/page_sets/data/system_health_desktop.json

@@ -174,6 +174,9 @@
             "mac": "system_health_desktop_040.wprgo",
             "win": "system_health_desktop_047.wprgo"
         },
+        "load:media:youtube:2018": {
+            "DEFAULT": "system_health_desktop_cef8441ac0.wprgo"
+        },
         "load:news:bbc": {
             "DEFAULT": "system_health_desktop_002.wprgo"
         },

tools/perf/page_sets/data/system_health_desktop_cef8441ac0.wprgo.sha1

+d52f8fc9e9620b964cbbf004eee7322a81dda6c8
\ No newline at end of file

tools/perf/page_sets/data/system_health_mobile.json

@@ -156,6 +156,9 @@
         "load:media:youtube": {
             "DEFAULT": "system_health_mobile_003.wprgo"
         },
+        "load:media:youtube:2018": {
+            "DEFAULT": "system_health_mobile_2d7e2af174.wprgo"
+        },
         "load:news:bbc": {
             "DEFAULT": "system_health_mobile_002.wprgo"
         },

tools/perf/page_sets/data/system_health_mobile_2d7e2af174.wprgo.sha1

+2d7e2af174d161596ba4cd6ca031cfd21047ef80
\ No newline at end of file

tools/perf/page_sets/system_health/loading_stories.py

@@ -352,6 +352,14 @@ class LoadYouTubeStory(_LoadingStory):
           story_tags.YEAR_2016]
 
 
+class LoadYouTubeStory2018(_LoadingStory):
+  # No way to disable autoplay on desktop.
+  NAME = 'load:media:youtube:2018'
+  URL = 'https://www.youtube.com/watch?v=QGfhS1hfTWw&autoplay=false'
+  TAGS = [story_tags.EMERGING_MARKET, story_tags.HEALTH_CHECK,
+          story_tags.YEAR_2018]
+
+
 class LoadDailymotionStory(_LoadingStory):
   # The side panel with related videos doesn't show on desktop due to
   # https://github.com/chromium/web-page-replay/issues/74.