MD Settings: Replace language detail page with dropdown menu items

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' handles Chrome's language and input
  * method settings. The 'languages' property, which reflects the current
  * language settings, must not be changed directly. Instead, changes to
  * language settings should be made using the LanguageHelper APIs provided by
  * this class via languageHelper.
@@ skipping 216 matching lines @@
     }
   },
 
   /** @private */
   translateLanguagesPrefChanged_: function() {
     var translateBlockedPref = this.getPref('translate_blocked_languages');
     var translateBlockedSet = this.makeSetFromArray_(
         /** @type {!Array<string>} */(translateBlockedPref.value));
 
     for (var i = 0; i < this.languages.enabled.length; i++) {
+      if (this.languages.enabled[i].language.code == navigator.language)
+        continue;
       var translateCode = this.convertLanguageCodeForTranslate(
           this.languages.enabled[i].language.code);
       this.set(
           'languages.enabled.' + i + '.translateEnabled',
           !translateBlockedSet.has(translateCode));
     }
   },
 
   /**
    * Constructs the languages model.
@@ skipping 87 matching lines @@
       // Skip unsupported languages.
       if (!language)
         continue;
       var languageState = /** @type {LanguageState} */({});
       languageState.language = language;
       languageState.spellCheckEnabled = !!spellCheckSet.has(code);
       // Translate is considered disabled if this language maps to any translate
       // language that is blocked.
       var translateCode = this.convertLanguageCodeForTranslate(code);
       languageState.translateEnabled = !!language.supportsTranslate &&
+          code != navigator.language &&
           !translateBlockedSet.has(translateCode) &&
           translateCode != translateTarget;
       enabledLanguageStates.push(languageState);
     }
     return enabledLanguageStates;
   },
 
   /**
    * Returns a list of enabled input methods.
    * @return {!Array<!chrome.languageSettingsPrivate.InputMethod>}
@@ skipping 369 matching lines @@
     this.updateEnabledInputMethods_();
   },
 
   /** @param {string} id Removed input method ID. */
   onInputMethodRemoved_: function(id) {
     assert(cr.isChromeOS);
     this.updateEnabledInputMethods_();
   },
 });
 })();