Fix some JS style nits.

ui/accessibility/extensions/caretbrowsing/caretbrowsing.js

 /* Copyright (c) 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. */
 
 /**
  * @fileoverview Caret browsing content script, runs in each frame.
  *
  * The behavior is based on Mozilla's spec whenever possible:
  *   http://www.mozilla.org/access/keyboard/proposal
  *
@@ skipping 342 matching lines @@
     node = node.parentNode;
   }
 
   return false;
 };
 
 /**
  * Set focus to the first focusable node in the given list.
  * select the text, otherwise it doesn't appear focused to the user.
  * Every other control behaves normally if you just call focus() on it.
- * @param {Array.<Node>} nodeList An array of nodes to focus.
+ * @param {Array<Node>} nodeList An array of nodes to focus.
  * @return {boolean} True if the node was focused.
  */
 CaretBrowsing.setFocusToFirstFocusable = function(nodeList) {
   for (var i = 0; i < nodeList.length; i++) {
     if (CaretBrowsing.setFocusToNode(nodeList[i])) {
       return true;
     }
   }
   return false;
 };
@@ skipping 387 matching lines @@
     return evt.altKey;
   } else {
     return evt.ctrlKey;
   }
 };
 
 /**
  * Moves the cursor forwards to the next valid position.
  * @param {Cursor} cursor The current cursor location.
  *     On exit, the cursor will be at the next position.
- * @param {Array.<Node>} nodesCrossed Any HTML nodes crossed between the
+ * @param {Array<Node>} nodesCrossed Any HTML nodes crossed between the
  *     initial and final cursor position will be pushed onto this array.
  * @return {?string} The character reached, or null if the bottom of the
  *     document has been reached.
  */
 CaretBrowsing.forwards = function(cursor, nodesCrossed) {
   var previousCursor = cursor.clone();
   var result = TraverseUtil.forwardsChar(cursor, nodesCrossed);
 
   // Work around the fact that TraverseUtil.forwardsChar returns once per
   // char in a block of text, rather than once per possible selection
   // position in a block of text.
   if (result && cursor.node != previousCursor.node && cursor.index > 0) {
     cursor.index = 0;
   }
 
   return result;
 };
 
 /**
  * Moves the cursor backwards to the previous valid position.
  * @param {Cursor} cursor The current cursor location.
  *     On exit, the cursor will be at the previous position.
- * @param {Array.<Node>} nodesCrossed Any HTML nodes crossed between the
+ * @param {Array<Node>} nodesCrossed Any HTML nodes crossed between the
  *     initial and final cursor position will be pushed onto this array.
  * @return {?string} The character reached, or null if the top of the
  *     document has been reached.
  */
 CaretBrowsing.backwards = function(cursor, nodesCrossed) {
   var previousCursor = cursor.clone();
   var result = TraverseUtil.backwardsChar(cursor, nodesCrossed);
 
   // Work around the fact that TraverseUtil.backwardsChar returns once per
   // char in a block of text, rather than once per possible selection
@@ skipping 610 matching lines @@
       CaretBrowsing.updateIsCaretVisible();
     }
 
     chrome.storage.onChanged.addListener(function() {
       CaretBrowsing.onPrefsUpdated();
     });
     CaretBrowsing.onPrefsUpdated();
   }
 
 }, 0);