Remove input methods when removing languages

chrome/browser/resources/settings/languages_page/languages.js

 // Copyright 2015 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 'settings-languages' provides convenient access to
  * Chrome's language and input method settings.
  *
  * Instances of this element have a 'languages' property, which reflects the
  * current language settings. The 'languages' property is read-only, meaning
@@ skipping 470 matching lines @@
   disableLanguage: function(languageCode) {
     if (!CrSettingsPrefs.isInitialized)
       return;
 
     assert(this.canDisableLanguage(languageCode));
 
     // Remove the language from spell check.
     this.deletePrefListItem('spellcheck.dictionaries', languageCode);
 
     if (cr.isChromeOS) {
+      // Remove input methods that don't support any other enabled language.
       var inputMethods = this.languageInputMethods_.get(languageCode) || [];
       for (var inputMethod of inputMethods) {
         var supportsOtherEnabledLanguages = inputMethod.languageCodes.some(
-            function(inputMethodLanguageCode) {
-              return inputMethodLanguageCode != languageCode &&
-                  this.isLanguageEnabled(languageCode);
+            function(otherLanguageCode) {
+              return otherLanguageCode != languageCode &&
+                  this.isLanguageEnabled(otherLanguageCode);
             }.bind(this));
         if (!supportsOtherEnabledLanguages)
           this.removeInputMethod(inputMethod.id);
       }
     }
 
     // Remove the language from preferred languages.
     var languageCodes =
         this.getPref(preferredLanguagesPrefName).value.split(',');
     var languageIndex = languageCodes.indexOf(languageCode);
@@ skipping 265 matching lines @@
    * manually sending a change notification for our 'languages' property (since
    * it's the same object as the singleton's property, but isn't bound by
    * Polymer).
    * @private
    */
   singletonLanguagesChanged_: function(e) {
     // Forward the change notification to the host.
     this.fire(e.type, e.detail, {bubbles: false});
   },
 });