Translate: enable against unknown languages with server side detection

chrome/browser/translate/translate_infobar_delegate.h

 // Copyright (c) 2011 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.
 
 #ifndef CHROME_BROWSER_TRANSLATE_TRANSLATE_INFOBAR_DELEGATE_H_
 #define CHROME_BROWSER_TRANSLATE_TRANSLATE_INFOBAR_DELEGATE_H_
 
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 61 matching lines @@
   size_t num_languages() const { return languages_.size(); }
 
   // Returns the ISO code for the language at |index|.
   std::string language_code_at(size_t index) const {
     DCHECK_LT(index, num_languages());
     return languages_[index].first;
   }
 
   // Returns the displayable name for the language at |index|.
   string16 language_name_at(size_t index) const {
+    if (index == kNoIndex)
+      return string16();
     DCHECK_LT(index, num_languages());
     return languages_[index].second;
   }
 
   Type infobar_type() const { return infobar_type_; }
 
   TranslateErrors::Type error_type() const { return error_type_; }
 
   size_t original_language_index() const { return original_language_index_; }
   void set_original_language_index(size_t language_index) {
@@ skipping 76 matching lines @@
   // Adds the strings that should be displayed in the after translate infobar to
   // |strings|. The text in that infobar is:
   // "The page has been translated from <lang1> to <lang2>."
   // Because <lang1> and <lang2> are displayed in menu buttons, the text is
   // split in 3 chunks.  |swap_languages| is set to true if <lang1> and <lang2>
   // should be inverted (some languages express the sentense as "The page has
   // been translate to <lang2> from <lang1>.").
   static void GetAfterTranslateStrings(std::vector<string16>* strings,
                                        bool* swap_languages);
 
+  // Adds the strings that should be displayed in the after translate infobar to
+  // |strings|. When a source language is not determined by Chrome, Languages
+  // are detected by a server automatically. And infobar doesn't show source
+  // languages. The text in the infobar is:
+  // "The page has been translated to <lang1>."
+  // Because <lang1> is displayed in a menu button, the text is split in 2
+  // chunks.
+  static void GetAfterTranslateWithAutoStrings(std::vector<string16>* strings);
+
  protected:
   // For testing.
   TranslateInfoBarDelegate(Type infobar_type,
                            TranslateErrors::Type error_type,
                            InfoBarService* infobar_service,
                            PrefService* prefs,
                            ShortcutConfiguration shortcut_config,
                            const std::string& original_language,
                            const std::string& target_language);
   Type infobar_type_;
@@ skipping 42 matching lines @@
 
   // The translation related preferences.
   TranslatePrefs prefs_;
 
   // Translation shortcut configuration
   ShortcutConfiguration shortcut_config_;
   DISALLOW_COPY_AND_ASSIGN(TranslateInfoBarDelegate);
 };
 
 #endif  // CHROME_BROWSER_TRANSLATE_TRANSLATE_INFOBAR_DELEGATE_H_