[Telemetry] Clean up some page cycler cruft now that idb has moved out.

tools/page_cycler/database/head.js

Index: tools/page_cycler/database/head.js
diff --git a/tools/page_cycler/database/head.js b/tools/page_cycler/database/head.js
deleted file mode 100644
index a36ce77cbff070108e11253c90906880f2fd2e6a..0000000000000000000000000000000000000000
--- a/tools/page_cycler/database/head.js
+++ /dev/null
@@ -1,125 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-var totalTime;
-var fudgeTime;
-var elapsedTime;
-var endTime;
-var iterations;
-var cycle;
-var results = false;
-var TIMEOUT = 15;
-
-/**
- * Returns the value of the given property stored in the cookie.
- * @param {string} name The property name.
- * @return {string} The value of the given property, or empty string
- *     if the property was not found.
- */
-function __get_cookie(name) {
-  var cookies = document.cookie.split('; ');
-  for (var i = 0; i < cookies.length; ++i) {
-    var t = cookies[i].split('=');
-    if ((t[0] == name) && t[1])
-      return t[1];
-  }
-  return '';
-}
-
-function __get_timings() {
-  if (sessionStorage == null)
-    return __get_cookie("__pc_timings");
-  else {
-    if (sessionStorage.getItem("__pc_timings") == null)
-      return "";
-    else
-      return sessionStorage["__pc_timings"];
-  }
-}
-function __set_timings(timings) {
-  if (sessionStorage == null)
-    document.cookie = "__pc_timings=" + timings + "; path=/";
-  else
-    sessionStorage["__pc_timings"]=timings;
-}
-
-/**
- * Starts the next test cycle or redirects the browser to the results page.
- */
-function nextCycleOrResults() {
-  // Call GC twice to cleanup JS heap before starting a new test.
-  if (window.gc) {
-    window.gc();
-    window.gc();
-  }
-
-  var timings = elapsedTime;
-  var oldTimings = __get_timings();
-  if (oldTimings != '')
-    timings = oldTimings + ',' + timings;
-  __set_timings(timings);
-
-  var tLag = Date.now() - endTime - TIMEOUT;
-  if (tLag > 0)
-    fudgeTime += tLag;
-
-  var doc;
-  if (cycle == iterations) {
-    document.cookie = '__pc_done=1; path=/';
-    doc = '../../common/report.html';
-    if (window.console) {
-      console.log("Pages: [" + __get_cookie('__pc_pages') + "]");
-      console.log("times: [" + __get_timings() + "]");
-    }
-  } else {
-    doc = 'index.html';
-  }
-
-  var url = doc + '?n=' + iterations + '&i=' + cycle +
-      '&td=' + totalTime + '&tf=' + fudgeTime;
-  document.location.href = url;
-}
-
-/**
- * Computes various running times and updates the stats reported at the end.
- * @param {!number} cycleTime The running time of the test cycle.
- */
-function testComplete(cycleTime) {
-  if (results)
-    return;
-
-  var oldTotalTime = 0;
-  var cycleEndTime = Date.now();
-  var cycleFudgeTime = 0;
-
-  var s = document.location.search;
-  if (s) {
-    var params = s.substring(1).split('&');
-    for (var i = 0; i < params.length; i++) {
-      var f = params[i].split('=');
-      switch (f[0]) {
-        case 'skip':
-          return;  // No calculation, just viewing
-        case 'n':
-          iterations = f[1];
-          break;
-        case 'i':
-          cycle = f[1] - 0 + 1;
-          break;
-        case 'td':
-          oldTotalTime = f[1] - 0;
-          break;
-        case 'tf':
-          cycleFudgeTime = f[1] - 0;
-          break;
-      }
-    }
-  }
-  elapsedTime = cycleTime;
-  totalTime = oldTotalTime + elapsedTime;
-  endTime = cycleEndTime;
-  fudgeTime = cycleFudgeTime;
-
-  setTimeout(nextCycleOrResults, TIMEOUT);
-}