[Translate] Add unit tests for TranslateManager

components/translate/core/browser/translate_download_manager.cc

 // Copyright 2014 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 "components/translate/core/browser/translate_download_manager.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/memory/singleton.h"
 #include "base/prefs/pref_service.h"
@@ skipping 79 matching lines @@
 }
 
 // static
 bool TranslateDownloadManager::IsSupportedLanguage(
     const std::string& language) {
   TranslateLanguageList* language_list = GetInstance()->language_list();
   if (!language_list) {
     NOTREACHED();
     return false;
   }
-
   return language_list->IsSupportedLanguage(language);
 }
 
 // static
 bool TranslateDownloadManager::IsAlphaLanguage(const std::string& language) {
   TranslateLanguageList* language_list = GetInstance()->language_list();
   if (!language_list) {
     NOTREACHED();
     return false;
   }
@@ skipping 16 matching lines @@
 
 void TranslateDownloadManager::SetTranslateScriptExpirationDelay(int delay_ms) {
   if (script_.get() == NULL) {
     NOTREACHED();
     return;
   }
   script_->set_expiration_delay(delay_ms);
 }
 
 }  // namespace translate