First page-set for media-related metrics measurement.

tools/perf/page_sets/tough_video_cases.json

Index: tools/perf/page_sets/tough_video_cases.json
diff --git a/tools/perf/page_sets/tough_video_cases.json b/tools/perf/page_sets/tough_video_cases.json
index e1b9074519a047e0e84fb19ef883f0f9e4c49c76..5f4f59338b9dc80c93c780559abc74c164263a63 100644
--- a/tools/perf/page_sets/tough_video_cases.json
+++ b/tools/perf/page_sets/tough_video_cases.json
@@ -1,15 +1,75 @@
 {
   "description": "Video Stack Perf benchmark",
+  "play_audio": [
+    { "action": "play",
+      "selector": "#audio_1",
+      "wait_for_playing": true,
+      "wait_for_ended": true
+    }
+  ],
+  "play_video": [
+    { "action": "play",
+      "selector": "#video_1",
+      "wait_for_playing": true,
+      "wait_for_ended": true
+    }

[shadi, 2013/07/18 17:00:02]

Probably we can combine those two actions into one "play_media" actions. 

+  ],
   "pages": [
     {
-      "url": "file:///tough_video_cases/video.html",
-      "media_metrics": [
-        { "action": "play",
-          "selector": "#video_1",
-          "wait_for_playing": true,
-          "wait_for_ended": true
-        }
-      ]
+      "url": "file:///tough_video_cases/video.html?src=crowd.wav&id=audio_1&type=audio",

[shadi, 2013/07/18 17:00:02]

We don't really need to set the ID. We have two options: 
- Either play "selector": all.
- Preset media ID in the the html file. Since we know only one media is allowed
to play, then we can hard code its ID and use it in the play_media action.

+      "media_metrics": {"action": "play_audio"}
+    },
+    {
+      "url": "file:///tough_video_cases/video.html?src=crowd.ogg&id=audio_1&type=audio",
+      "media_metrics": {"action": "play_audio"}
+    },
+    {
+      "url": "file:///tough_video_cases/video.html?src=crowd1080.mp4&id=video_1&type=video",
+      "media_metrics": {"action": "play_video"}
+    },
+    {
+      "url": "file:///tough_video_cases/video.html?src=crowd1080.ogv&id=video_1&type=video",
+      "media_metrics": {"action": "play_video"}
+    },
+    {
+      "url": "file:///tough_video_cases/video.html?src=crowd1080.webm&id=video_1&type=video",
+      "media_metrics": {"action": "play_video"}
+    },
+    {
+      "url": "file:///tough_video_cases/video.html?src=crowd2160.mp4&id=video_1&type=video",
+      "media_metrics": {"action": "play_video"}
+    },
+    {
+      "url": "file:///tough_video_cases/video.html?src=crowd2160.ogv&id=video_1&type=video",
+      "media_metrics": {"action": "play_video"}
+    },
+    {
+      "url": "file:///tough_video_cases/video.html?src=crowd2160.webm&id=video_1&type=video",
+      "media_metrics": {"action": "play_video"}
+    },
+    {
+      "url": "file:///tough_video_cases/video.html?src=tulip2.mp3&id=audio_1&type=audio",
+      "media_metrics": {"action": "play_audio"}
+    },
+    {
+      "url": "file:///tough_video_cases/video.html?src=tulip2.ogg&id=audio_1&type=audio",
+      "media_metrics": {"action": "play_audio"}
+    },
+    {
+      "url": "file:///tough_video_cases/video.html?src=tulip2.wav&id=audio_1&type=audio",
+      "media_metrics": {"action": "play_audio"}
+    },
+    {
+      "url": "file:///tough_video_cases/video.html?src=tulip2.mp4&id=video_1&type=video",
+      "media_metrics": {"action": "play_video"}
+    },
+    {
+      "url": "file:///tough_video_cases/video.html?src=tulip2.ogv&id=video_1&type=video",
+      "media_metrics": {"action": "play_video"}
+    },
+    {
+      "url": "file:///tough_video_cases/video.html?src=tulip2.webm&id=video_1&type=video",
+      "media_metrics": {"action": "play_video"}
     }
   ]
 }