[perf] Add load:news:wikipedia:2018 system health story

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

R=perezju@chromium.org

Bug: 878390
Change-Id: Ieeeb3b33918eca669e109f0938b0ee0daca90a13
Reviewed-on: https://chromium-review.googlesource.com/c/1329745Reviewed-by: Juan Antonio Navarro Pérez <perezju@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#607557}

tools/perf/benchmarks/system_health_smoke_test.py

@@ -80,13 +80,17 @@ _DISABLED_TESTS = frozenset({
   # crbug.com/696824
   'system_health.memory_desktop/load:news:qq',
   # crbug.com/893615
+  # DESKTOP:
   'system_health.memory_desktop/browse:media:pinterest',
   'system_health.memory_desktop/browse:media:youtube',
   'system_health.memory_desktop/browse:search:google_india',
   'system_health.memory_desktop/load:games:alphabetty',
   'system_health.memory_desktop/load:games:miniclip',
   'system_health.memory_desktop/load:news:cnn',
+  'system_health.memory_desktop/load:news:wikipedia',
   'system_health.memory_desktop/load:tools:stackoverflow',
+  # MOBILE:
+  'system_health.memory_mobile/load:news:wikipedia',
 
   # crbug.com/698006
   'system_health.memory_desktop/load:tools:drive',

tools/perf/page_sets/data/system_health_desktop.json

@@ -204,6 +204,9 @@
         "load:news:wikipedia": {
             "DEFAULT": "system_health_desktop_002.wprgo"
         },
+        "load:news:wikipedia:2018": {
+            "DEFAULT": "system_health_desktop_2c06c24ac6.wprgo"
+        },
         "load:search:amazon": {
             "DEFAULT": "system_health_desktop_000.wprgo"
         },

tools/perf/page_sets/data/system_health_desktop_2c06c24ac6.wprgo.sha1

+2c06c24ac64254c2c51d5ffc13fd2b658b9c90c4
\ No newline at end of file

tools/perf/page_sets/data/system_health_mobile.json

@@ -177,6 +177,9 @@
         "load:news:wikipedia": {
             "DEFAULT": "system_health_mobile_002.wprgo"
         },
+        "load:news:wikipedia:2018": {
+            "DEFAULT": "system_health_mobile_69876ae4b7.wprgo"
+        },
         "load:search:amazon": {
             "DEFAULT": "system_health_mobile_000.wprgo"
         },

tools/perf/page_sets/data/system_health_mobile_69876ae4b7.wprgo.sha1

+69876ae4b73b0d9a191caaad02027b33635770ce
\ No newline at end of file

tools/perf/page_sets/system_health/loading_stories.py

@@ -292,6 +292,12 @@ class LoadWikipediaStory(_LoadingStory):
   TAGS = [story_tags.EMERGING_MARKET, story_tags.YEAR_2016]
 
 
+class LoadWikipediaStory2018(_LoadingStory):
+  NAME = 'load:news:wikipedia:2018'
+  URL = 'https://en.wikipedia.org/wiki/Science'
+  TAGS = [story_tags.EMERGING_MARKET, story_tags.YEAR_2018]
+
+
 class LoadIrctcStory(_LoadingStory):
   NAME = 'load:news:irctc'
   URL = 'https://www.irctc.co.in'