Deleting the copresence API.

chrome/browser/resources/copresence.js

-// Copyright 2014 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.
-
-/**
- * Debug information about an active copresence directive.
- * @typedef {{
- *   type: string,
- *   medium: string,
- *   duration: string
- * }}
- */
-var Directive;
-
-/**
- * Debug information about a recent copresence token.
- * @typedef {{
- *   id: string,
- *   statuses: string,
- *   medium: string,
- *   time: string
- * }}
- */
-var Token;
-
-/**
- * Callback to refresh the list of directives.
- * @param {Array<Directive>} directives
- */
-function refreshDirectives(directives) {
-  var table = $('directives-table').tBodies[0];
-
-  // Fix the directives table to have the correct number of rows.
-  while (table.rows.length < directives.length)
-    table.insertRow();
-  while (table.rows.length > directives.length)
-    table.deleteRow();
-
-  // Populate the directives into the table.
-  directives.forEach(function(directive, index) {
-    var row = table.rows.item(index);
-    while (row.cells.length < 3)
-      row.insertCell();
-
-    row.cells.item(0).textContent = directive.type;
-    row.cells.item(1).textContent = directive.medium;
-    row.cells.item(2).textContent = directive.duration;
-  });
-}
-
-/**
- * Callback to add or update transmitted tokens.
- * @param {Token} token
- */
-function updateTransmittedToken(token) {
-  updateTokenTable($('transmitted-tokens-table'), token);
-}
-
-/**
- * Callback to add or update received tokens.
- * @param {Token} token
- */
-function updateReceivedToken(token) {
-  updateTokenTable($('received-tokens-table'), token);
-}
-
-/**
- * Callback to clear out the token tables.
- */
-function clearTokens() {
-  clearTable($('transmitted-tokens-table'));
-  clearTable($('received-tokens-table'));
-}
-
-/**
- * Add or update a token in the specified table.
- * @param {HTMLTableElement} table
- * @param {Token} token
- */
-function updateTokenTable(table, token) {
-  var rows = table.tBodies[0].rows;
-
-  var index;
-  for (index = 0; index < rows.length; index++) {
-    var row = rows.item(index);
-    if (row.cells[0].textContent == token.id) {
-      updateTokenRow(row, token);
-      break;
-    }
-  }
-
-  if (index == rows.length)
-    updateTokenRow(table.tBodies[0].insertRow(), token);
-}
-
-/**
- * Update a token on the specified row.
- * @param {HTMLTableRowElement} row
- * @param {Token} token
- */
-function updateTokenRow(row, token) {
-  while (row.cells.length < 4)
-    row.insertCell();
-  row.className = token.statuses;
-
-  row.cells[0].textContent = token.id;
-  row.cells[1].textContent =
-      token.statuses.replace('confirmed', '(Confirmed)');
-  row.cells[2].textContent = token.medium;
-  row.cells[3].textContent = token.time;
-}
-
-/**
- * Delete all the rows in a table.
- * @param {HTMLTableElement} table
- */
-function clearTable(table) {
-  var body = table.tBodies[0];
-  while (body.rows.length > 0)
-    body.deleteRow();
-}
-
-document.addEventListener('DOMContentLoaded', function() {
-  chrome.send('populateCopresenceState');
-
-  $('reset-button').addEventListener('click', function() {
-    if (confirm(loadTimeData.getString('confirm_delete')))
-      chrome.send('clearCopresenceState');
-  });
-});