Remove old tracing code now that it has moved to third_party.

chrome/browser/resources/tracing/timeline_analysis.js

-// 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.
-
-'use strict';
-
-/**
- * @fileoverview TimelineView visualizes TRACE_EVENT events using the
- * tracing.Timeline component and adds in selection summary and control buttons.
- */
-cr.define('tracing', function() {
-  function tsRound(ts) {
-    return Math.round(ts * 1000.0) / 1000.0;
-  }
-
-  /**
-   * Creates and appends a DOM node of type |tagName| to |parent|. Optionally,
-   * sets the new node's text to |opt_text|. Returns the newly created node.
-   */
-  function appendElement(parent, tagName, opt_text) {
-    var n = parent.ownerDocument.createElement(tagName);
-    parent.appendChild(n);
-    if (opt_text != undefined)
-      n.textContent = opt_text;
-    return n;
-  }
-
-  /**
-   * Adds |tagName| to |parent| with className |classname|.  Returns
-   * the newly created node.
-   */
-  function appendElementWithClass(parent, tagName, classname) {
-    var n = appendElement(parent, tagName);
-    n.className = classname;
-    return n;
-  }
-
-  /**
-   * Adds |text| to |parent|.
-   */
-  function appendText(parent, text) {
-    var textNode = parent.ownerDocument.createTextNode(text);
-    parent.appendChild(textNode);
-    return textNode;
-  }
-
-  /**
-   * Adds a table header to |row| with |text| and className
-   * |table|.className-header.  Returns the newly created node.
-   */
-  function appendTableHeader(table, row, text) {
-    var th = appendElement(row, 'th', text);
-    th.className = table.className + '-header';
-    return th;
-  }
-
-  /**
-   * Adds table cell number |cellnum| to |row| with |text| and
-   * className |table|.className-col-|cellnum|.  Returns the newly
-   * created node.
-   */
-  function appendTableCell(table, row, cellnum, text) {
-    var td = appendElement(row, 'td', text);
-    td.className = table.className + '-col-' + cellnum;
-    return td;
-  }
-
-  /**
-   * Creates and appends a row to |table| with a left-aligned |label]
-   * header that spans all columns.  Returns the newly created nodes.
-   */
-  function appendSummaryHeader(table, label) {
-    var row = appendElement(table, 'tr');
-    var th = appendTableHeader(table, row, label);
-    return row;
-  }
-
-  /**
-   * Creates and appends a row to |table| with a left-aligned |label]
-   * in the first column and an optional |opt_text| value in the second
-   * column.  Returns the newly created nodes.
-   */
-  function appendSummaryRow(table, label, opt_text) {
-    var row = appendElement(table, 'tr');
-    var td = appendTableCell(table, row, 0, label);
-    if (opt_text) {
-      var td = appendTableCell(table, row, 1, opt_text);
-    }
-    return row;
-  }
-
-  /**
-   * Creates and appends a row to |table| with a left-aligned |label]
-   * in the first column and a millisecvond |time| value in the second
-   * column.  Returns the newly created nodes.
-   */
-  function appendSummaryRowTime(table, label, time) {
-    return appendSummaryRow(table, label, tsRound(time) + ' ms');
-  }
-
-  /**
-   * Creates and appends a row to |table| that summarizes one or more slices.
-   * The row has a left-aligned |label] in the first column, the |duration|
-   * of the data in the second, the number of |occurrences| in the third.
-   * Returns the newly created nodes.
-   */
-  function appendSliceRow(table, label, duration, occurences) {
-      var row = appendElement(table, 'tr');
-      var td = appendTableCell(table, row, 0, label);
-      var td = appendTableCell(table, row, 1, tsRound(duration) + ' ms');
-      var td = appendTableCell(table, row, 2,
-          String(occurences) + ' occurences');
-      return row;
-  }
-
-  /**
-   * Converts the selection to a tabular summary display and appends
-   * the newly created elements to |parent|.  Returns the new elements.
-   */
-  function createSummaryElementForSelection(parent, selection) {
-    var sliceHits = selection.getSliceHits();
-    var counterSampleHits = selection.getCounterSampleHits();
-
-    if (sliceHits.length == 1) {
-      var slice = sliceHits[0].slice;
-
-      var table = appendElementWithClass(parent, 'table', 'timeline-slice');
-
-      appendSummaryHeader(table, 'Selected item:');
-
-      appendSummaryRow(table, 'Title', slice.title);
-      appendSummaryRowTime(table, 'Start', slice.start);
-      appendSummaryRowTime(table, 'Duration', slice.duration);
-      if (slice.durationInUserTime)
-        appendSummaryRowTime(table, 'Duration (U)', slice.durationInUserTime);
-
-      var n = 0;
-      for (var argName in slice.args) {
-        n += 1;
-      }
-      if (n > 0) {
-        appendSummaryRow(table, 'Args');
-        for (var argName in slice.args) {
-          var argVal = slice.args[argName];
-          // TODO(sleffler) use span instead?
-          appendSummaryRow(table, ' ' + argName, argVal);
-        }
-      }
-    } else if (sliceHits.length > 1) {
-      var tsLo = sliceHits.range.min;
-      var tsHi = sliceHits.range.max;
-
-      // compute total sliceHits duration
-      var titles = sliceHits.map(function(i) { return i.slice.title; });
-
-      var slicesByTitle = {};
-      for (var i = 0; i < sliceHits.length; i++) {
-        var slice = sliceHits[i].slice;
-        if (!slicesByTitle[slice.title])
-          slicesByTitle[slice.title] = {
-            slices: []
-          };
-        slicesByTitle[slice.title].slices.push(slice);
-      }
-
-      var table = appendElementWithClass(parent, 'table', 'timeline-slices');
-
-      appendSummaryHeader(table, 'Slices:');
-
-      var totalDuration = 0;
-      for (var sliceGroupTitle in slicesByTitle) {
-        var sliceGroup = slicesByTitle[sliceGroupTitle];
-        var duration = 0;
-        for (i = 0; i < sliceGroup.slices.length; i++)
-          duration += sliceGroup.slices[i].duration;
-        totalDuration += duration;
-
-        appendSliceRow(table, sliceGroupTitle, duration,
-            sliceGroup.slices.length);
-      }
-
-      appendSliceRow(table, '*Totals', totalDuration, sliceHits.length);
-
-      appendElement(table, 'p');  // TODO(sleffler) proper vertical space?
-      appendSummaryRowTime(table, 'Selection start', tsLo);
-      appendSummaryRowTime(table, 'Selection extent', tsHi - tsLo);
-    }
-
-    if (counterSampleHits.length == 1) {
-      var hit = counterSampleHits[0];
-      var ctr = hit.counter;
-      var sampleIndex = hit.sampleIndex;
-      var values = [];
-      for (var i = 0; i < ctr.numSeries; ++i)
-        values.push(ctr.samples[ctr.numSeries * sampleIndex + i]);
-
-      var table = appendElementWithClass(parent, 'table', 'timeline-counter');
-
-      appendSummaryHeader(table, 'Selected counter:');
-
-      appendSummaryRow(table, 'Title', ctr.name);
-      appendSummaryRowTime(table, 'Timestamp', ctr.timestamps[sampleIndex]);
-      if (ctr.numSeries > 1)
-        appendSummaryRow(table, 'Values', values.join('\n'));
-      else
-        appendSummaryRow(table, 'Value', values.join('\n'));
-    } else if (counterSampleHits.length > 1 && sliceHits.length == 0) {
-      appendText(parent, 'Analysis of multiple counters is not yet' +
-          'implemented. Pick a single counter.');
-    }
-  }
-
-  var TimelineAnalysisView = cr.ui.define('div');
-
-  TimelineAnalysisView.prototype = {
-    __proto__: HTMLDivElement.prototype,
-
-    decorate: function() {
-      this.className = 'timeline-analysis';
-    },
-
-    set selection(selection) {
-      this.textContent = '';
-      createSummaryElementForSelection(this, selection);
-    }
-  };
-
-  return {
-    TimelineAnalysisView: TimelineAnalysisView,
-  };
-});