Extend the BigJs benchmark: add a YouTube page.

tools/perf/page_sets/data/big_js.json

Index: tools/perf/page_sets/data/big_js.json
diff --git a/tools/perf/page_sets/data/big_js.json b/tools/perf/page_sets/data/big_js.json
index 32bc63d64e2a016b980e34f5616cc847df0ea3d8..7751ce23003d2066979710bc2a875be3be558572 100644
--- a/tools/perf/page_sets/data/big_js.json
+++ b/tools/perf/page_sets/data/big_js.json
@@ -1,9 +1,12 @@
 {
-    "description": "Describes the Web Page Replay archives for a page set. Don't edit by hand! Use record_wpr for updating.", 
+    "description": "Describes the Web Page Replay archives for a user story set. Don't edit by hand! Use record_wpr for updating.", 
     "archives": {
         "big_js_000.wpr": [
-            "http://beta.unity3d.com/jonas/DT2/",
+            "http://beta.unity3d.com/jonas/DT2/", 
             "http://www.foo.com"
+        ], 
+        "big_js_001.wpr": [

[Sami, 2015/04/07 11:07:53]

I think we'll need to figure out why big_js_001.wpr.sha1 isn't making it into
this patch and whether it's even getting generated for you locally?

[marja, 2015/04/07 11:59:58]

User error.

+            "https://www.youtube.com/watch?v=IJNR2EpS0jw"
         ]
     }
-}
+}