Migrate infinite scrolls to system health stories

tools/perf/benchmarks/system_health_smoke_test.py

Index: tools/perf/benchmarks/system_health_smoke_test.py
diff --git a/tools/perf/benchmarks/system_health_smoke_test.py b/tools/perf/benchmarks/system_health_smoke_test.py
index 6b9841d87a430e0ec53c3061c8c170a6207672d8..ec2dd35fb76cb470ee1c58665ea88eed6fb5b723 100644
--- a/tools/perf/benchmarks/system_health_smoke_test.py
+++ b/tools/perf/benchmarks/system_health_smoke_test.py
@@ -63,6 +63,14 @@ _DISABLED_TESTS = frozenset({
 
   # crbug.com/699966
   'benchmarks.system_health_smoke_test.SystemHealthBenchmarkSmokeTest.system_health.memory_desktop.multitab:misc:typical24', # pylint: disable=line-too-long
+  # crbug.com/725923
+  'benchmarks.system_health_smoke_test.SystemHealthBenchmarkSmokeTest.system_health.memory_desktop.load:social:facebook', # pylint: disable=line-too-long
+  'benchmarks.system_health_smoke_test.SystemHealthBenchmarkSmokeTest.system_health.memory_desktop.load:media:flickr', # pylint: disable=line-too-long
+  'benchmarks.system_health_smoke_test.SystemHealthBenchmarkSmokeTest.system_health.memory_desktop.load:social:tumblr', # pylint: disable=line-too-long
+  'benchmarks.system_health_smoke_test.SystemHealthBenchmarkSmokeTest.system_health.memory_desktop.load:social:twitter', # pylint: disable=line-too-long
+  'benchmarks.system_health_smoke_test.SystemHealthBenchmarkSmokeTest.system_health.memory_mobile.load:social:facebook', # pylint: disable=line-too-long
+  'benchmarks.system_health_smoke_test.SystemHealthBenchmarkSmokeTest.system_health.memory_mobile.load:social:tumblr', # pylint: disable=line-too-long
+  'benchmarks.system_health_smoke_test.SystemHealthBenchmarkSmokeTest.system_health.memory_mobile.load:social:pinterest', # pylint: disable=line-too-long
 })