Updated new translate UI bubble text.

chrome/browser/ui/views/translate/translate_bubble_view.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/ui/views/translate/translate_bubble_view.h"
 
 #include <stddef.h>
 #include <algorithm>
 #include <string>
 #include <utility>
@@ skipping 506 matching lines @@
   if (before_always_translate_checkbox_)
     before_always_translate_checkbox_->SetChecked(should_always_translate_);
   for (int i = 0; i < child_count(); i++) {
     views::View* view = child_at(i);
     view->SetVisible(view == GetCurrentView());
   }
 }
 
 views::View* TranslateBubbleView::CreateViewBeforeTranslate() {
   const int kQuestionWidth = 200;
+
   base::string16 original_language_name =
       model_->GetLanguageNameAt(model_->GetOriginalLanguageIndex());
+  if (original_language_name.empty()) {
+    original_language_name =
+        l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_UNKNOWN_LANGUAGE);
+  }
 
   views::View* view = new views::View();
   views::GridLayout* layout = new views::GridLayout(view);
   view->SetLayoutManager(layout);
 
   using views::GridLayout;
 
   enum {
     COLUMN_SET_ID_MESSAGE,
     COLUMN_SET_ID_CONTENT,
@@ skipping 407 matching lines @@
   base::string16 label;
   if (model_->IsPageTranslatedInCurrentLanguages())
     label = l10n_util::GetStringUTF16(IDS_DONE);
   else
     label = l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_ACCEPT);
   advanced_done_button_->SetText(label);
   advanced_done_button_->SizeToPreferredSize();
   if (advanced_view_)
     advanced_view_->Layout();
 }