Telemetry media Seek action and metrics.

tools/telemetry/telemetry/page/actions/play.js

Index: tools/telemetry/telemetry/page/actions/play.js
diff --git a/tools/telemetry/telemetry/page/actions/play.js b/tools/telemetry/telemetry/page/actions/play.js
index eb174248e95b688325e9c5f62a5489ff55ec868a..ef3cb1b9af633dc3f08a1ca6697c92b825080afd 100644
--- a/tools/telemetry/telemetry/page/actions/play.js
+++ b/tools/telemetry/telemetry/page/actions/play.js
@@ -4,32 +4,9 @@
 
 // This file performs actions on media elements.
 (function() {
-  function findMediaElements(selector) {
-    // Returns elements matching the selector, otherwise returns the first video
-    // or audio tag element that can be found.
-    // If selector == 'all', returns all media elements.
-    if (selector == 'all') {
-      return document.querySelectorAll('video, audio');
-    } else if (selector) {
-      return document.querySelectorAll(selector);
-    } else {
-      var media = document.getElementsByTagName('video');
-      if (media.length > 0) {
-        return [media[0]];
-      } else {
-        media = document.getElementsByTagName('audio');
-        if (media.length > 0) {
-          return [media[0]];
-        }
-      }
-    }
-    console.error('Could not find any media elements matching: ' + selector);
-    return [];
-  }
-
   function playMedia(selector) {
     // Performs the "Play" action on media satisfying selector.
-    var mediaElements = findMediaElements(selector);
+    var mediaElements = window.__findMediaElements(selector);
     for (var i = 0; i < mediaElements.length; i++) {
       console.log('Playing element: ' + mediaElements[i].src);
       play(mediaElements[i]);
@@ -61,16 +38,5 @@
     element.play();
   }
 
-  function hasEventCompleted(selector, event_name) {
-    // Return true if the event_name fired for media satisfying the selector.
-    var mediaElements = findMediaElements(selector);
-    for (var i = 0; i < mediaElements.length; i++) {
-      if (!mediaElements[i][event_name + '_completed'])
-        return false;
-    }
-    return true;
-  }
-
   window.__playMedia = playMedia;
-  window.__hasEventCompleted = hasEventCompleted;
 })();