JS style nits

chrome/browser/resources/sessions.js

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
 localStrings = new LocalStrings();
 
 // UTF8 sequence for an arrow triangle pointing down.
-kExpandedArrow = "\u25BE";
+kExpandedArrow = '\u25BE';
 // UTF8 sequence for an arrow triangle pointing right.
-kCollapsedArrow = "\u25B8";
+kCollapsedArrow = '\u25B8';
 
 /**
  * Requests the list of sessions from the backend.
  */
 function requestSessions() {
-  chrome.send('requestSessionList', [])
+  chrome.send('requestSessionList');
 }
 
 /**
  * Expands or collapses the specified list.
  */
 function toggleExpandedState(div) {
   if (div.textContent.indexOf(kExpandedArrow) != -1) {
     div.textContent = div.textContent.replace(kExpandedArrow, kCollapsedArrow);
-    div.parentNode.querySelector(".indent").hidden = true;
+    div.parentNode.querySelector('.indent').hidden = true;
   } else {
     div.textContent = div.textContent.replace(kCollapsedArrow, kExpandedArrow);
-    div.parentNode.querySelector(".indent").hidden = false;
+    div.parentNode.querySelector('.indent').hidden = false;
   }
 }
 
 /**
  * Creates a div element to serve as an expandable/collapsable
  * title for a list of windows or tabs.
  */
 function createTitleDiv(className, textContent) {
   var div = document.createElement('div');
   div.className = className + ' expandable';
@@ skipping 25 matching lines @@
   tabItem.className = 'tab-link';
   tabItem.style.backgroundImage = url('chrome://favicon/' + tab.url);
   return tabItem;
 }
 
 /**
  * Transforms a window into an HTML element.
  */
 function transformWindow(window) {
   var windowDiv = document.createElement('div');
-  windowDiv.className = "window";
+  windowDiv.className = 'window';
   windowDiv.appendChild(createTitleDiv('window-title', 'Window'));
   addItems(windowDiv, window.tabs, transformTab);
   return windowDiv;
 }
 
 /**
  * Transforms a session into an HTML element.
  */
 function transformSession(session) {
   var sessionDiv = document.createElement('div');
   var sessionName = session.name.length == 0 ? 'Session' : session.name;
-  sessionDiv.className = "session";
+  sessionDiv.className = 'session';
   sessionDiv.appendChild(createTitleDiv('session-title', sessionName));
   addItems(sessionDiv, session.windows, transformWindow);
   return sessionDiv;
 }
 
 /**
  * Creates the UI for the sessions tree.
  */
 function createSessionTreeUI(sessionList) {
   $('sessions-summary-text').textContent =
@@ skipping 34 matching lines @@
  * Callback from backend with the list of sessions. Builds the UI.
  * @param {array} sessionList The list of sessions.
  * @param {array} magicList List of "interesting" tabs.
  */
 function updateSessionList(sessionList, magicList) {
   createSessionTreeUI(sessionList);
   createMagicListUI(magicList);
 }
 
 document.addEventListener('DOMContentLoaded', requestSessions);