Use story name instead of story url for archive index

Also remove unused indices in desktop_power_stories.json.

Bug: chromium:810616
Change-Id: Id12e4ed6bf8433de5a7c1a08e5e86b3ad1b56bb0
Reviewed-on: https://chromium-review.googlesource.com/1160122Reviewed-by: Juan Antonio Navarro Pérez <perezju@chromium.org>
Reviewed-by: Ned Nguyen <nednguyen@google.com>
Commit-Queue: Vovo Yang <vovoy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#580199}

tools/perf/page_sets/data/desktop_power_stories.json

 {
     "archives": {
-        "http://abcnews.go.com/": {
+        "abcnews": {
             "DEFAULT": "idle_after_loading_stories_002.wprgo"
         },
-        "http://bbc.com/news/uk/": {
+        "indiatimes": {
             "DEFAULT": "idle_after_loading_stories_002.wprgo"
         },
-        "http://bgr.com": {
+        "microsoft": {
             "DEFAULT": "idle_after_loading_stories_002.wprgo"
         },
-        "http://capitalone.com": {
+        "sina": {
             "DEFAULT": "idle_after_loading_stories_002.wprgo"
         },
-        "http://tumblr.all-that-is-interesting.com/": {
+        "slideshare": {
             "DEFAULT": "idle_after_loading_stories_002.wprgo"
         },
-        "http://www.androidpolice.com/2014/10/20/animation-bonanza-android-5-0-lollipop-in-gifs/": {
+        "uol": {
             "DEFAULT": "idle_after_loading_stories_002.wprgo"
         },
-        "http://www.indiatimes.com": {
-            "DEFAULT": "idle_after_loading_stories_002.wprgo"
-        },
-        "http://www.labradortraininghq.com/labrador-training/how-to-crate-train-a-puppy/#How_Long_DoesIt_Take_To_Crate_Train_A_Puppy": {
-            "DEFAULT": "idle_after_loading_stories_002.wprgo"
-        },
-        "http://www.microsoft.com": {
-            "DEFAULT": "idle_after_loading_stories_002.wprgo"
-        },
-        "http://www.sina.com.cn": {
-            "DEFAULT": "idle_after_loading_stories_002.wprgo"
-        },
-        "http://www.slideshare.net/patrickmeenan": {
-            "DEFAULT": "idle_after_loading_stories_002.wprgo"
-        },
-        "http://www.uol.com.br": {
-            "DEFAULT": "idle_after_loading_stories_002.wprgo"
-        },
-        "http://www.w3schools.com/html/default.asp": {
-            "DEFAULT": "idle_after_loading_stories_002.wprgo"
-        },
-        "https://instagram.com/cnn/": {
-            "DEFAULT": "idle_after_loading_stories_002.wprgo"
-        },
-        "https://twitter.com/katyperry": {
+        "instagram": {
             "DEFAULT": "idle_after_loading_stories_002.wprgo"
         }
     },
     "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/top_10.json

@@ -3,7 +3,7 @@
         "Facebook": {
             "DEFAULT": "top_10_001.wprgo"
         },
-        "http://en.wikipedia.org/wiki/Wikipedia": {
+        "Wikipedia": {
             "DEFAULT": "top_10_000.wprgo"
         },
         "http://www.amazon.com": {
@@ -36,4 +36,4 @@
     },
     "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