[system-health] Unify SH stories interface

tools/perf/page_sets/data/memory_system_health_mobile.json

Index: tools/perf/page_sets/data/memory_system_health_mobile.json
diff --git a/tools/perf/page_sets/data/memory_system_health_mobile.json b/tools/perf/page_sets/data/memory_system_health_mobile.json
index cdaa155cf0efbe197e4492d8394f499227042680..db9131c34eac5bd00d3805c74d342b2be56acb7f 100644
--- a/tools/perf/page_sets/data/memory_system_health_mobile.json
+++ b/tools/perf/page_sets/data/memory_system_health_mobile.json
@@ -64,7 +64,31 @@
         ],
         "memory_system_health_mobile_013.wpr": [
             "load:news:washingtonpost"
+        ],
+        "browsing_mobile_000.wpr": [
+            "browse:news:cnn"
+        ],
+        "browsing_mobile_001.wpr": [
+            "browse:social:facebook"
+        ],
+        "browsing_mobile_002.wpr": [
+            "browse:news:hackernews"
+        ],
+        "browsing_mobile_003.wpr": [
+            "browse:news:nytimes"
+        ],
+        "browsing_mobile_004.wpr": [
+            "browse:news:qq"
+        ],
+        "browsing_mobile_005.wpr": [
+            "browse:news:reddit"
+        ],
+        "browsing_mobile_006.wpr": [
+            "browse:social:twitter"
+        ],
+        "browsing_mobile_007.wpr": [
+            "browse:news:washingtonpost"
         ]
     },
     "description": "Describes the Web Page Replay archives for a story set. Don't edit by hand! Use record_wpr for updating."
-}
+}