Read the selected text explicitly when focusing a texdt field

chrome/browser/resources/chromeos/chromevox/cvox2/background/output.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.
 
 /**
  * @fileoverview Provides output services for ChromeVox.
  */
 
 goog.provide('Output');
 goog.provide('Output.EventType');
@@ skipping 1050 matching lines @@
       // Process token based on prefix.
       var prefix = token[0];
       token = token.slice(1);
 
       // All possible tokens based on prefix.
       if (prefix == '$') {
         if (token == 'value') {
           var text = node.value;
           if (!node.state.editable && node.name == text)
             return;
+
+          var selectedText = '';
           if (text !== undefined) {
             if (node.textSelStart !== undefined) {
               options.annotation.push(new Output.SelectionSpan(
                   node.textSelStart,
                   node.textSelEnd));
+
+              selectedText =
+                  node.value.substring(node.textSelStart, node.textSelEnd);
             }
           }
           options.annotation.push(token);
-          this.append_(buff, text, options);
+          if (selectedText) {
+            this.append_(buff, selectedText, options);
+            this.append_(buff, Msgs.getMsg('selected'), options);
+          } else {
+            this.append_(buff, text, options);
+          }
         } else if (token == 'name') {
           options.annotation.push(token);
           var earcon = node ? this.findEarcon_(node, opt_prevNode) : null;
           if (earcon)
             options.annotation.push(earcon);
           this.append_(buff, node.name, options);
         } else if (token == 'nameFromNode') {
           if (chrome.automation.NameFromType[node.nameFrom] ==
               'contents')
             return;
@@ skipping 681 matching lines @@
   /**
    * Gets the output buffer for braille.
    * @return {!Spannable}
    */
   get brailleOutputForTest() {
     return this.createBrailleOutput_();
   }
 };
 
 });  // goog.scope