1 files changed, 16 insertions, 3 deletions
diff --git a/chromium/ui/keyboard/resources/elements/kb-altkey-data.html b/chromium/ui/keyboard/resources/elements/kb-altkey-data.html
index 8f8b9a96420..67f793ad4b1 100644
--- a/chromium/ui/keyboard/resources/elements/kb-altkey-data.html
+++ b/chromium/ui/keyboard/resources/elements/kb-altkey-data.html
@@ -10,8 +10,21 @@
     var altKeys = {};
     var idMap = {};
 
-    function createId(char) {
-      return 'id' + char.charCodeAt(0);
+    /**
+     * Creates a unique identifier based on the key provided.
+     * This identifier is of the form 'idHASH' where HASH is
+     * the concatenation of the keycodes of every character in the string.
+     * @param {string} key Key for which we want an identifier.
+     * @return {string} The unique id for key.
+     */
+    function createId(key) {
+      var hash = key.split('').map(
+        // Returns the key code for the character.
+        function(character) {
+          return character.charCodeAt(0);
+        }
+      ).join('');
+      return 'id' + hash;
     }
 
     Polymer('kb-altkey-data', {
@@ -21,7 +34,7 @@
        * @param {string} char The base character.
        * @param {boolean=} opt_force If true, force the creation of a list
        *    even if empty. Used when constructing a set of alternates for keys
-       *    with superscripts.
+       *    with hintTexts.
        * @return {?Object.{id: string, list: string}}
        */
       getAltkeys: function(char, opt_force) {