[Translate] Factor out access to Accept-Languages

components/translate/core/browser/translate_manager_unittest.cc

Index: components/translate/core/browser/translate_manager_unittest.cc
diff --git a/components/translate/core/browser/translate_manager_unittest.cc b/components/translate/core/browser/translate_manager_unittest.cc
index 0bd0dbe441cd579531e2a2c94d3ea9de1414a9b5..7a6f7313777f6166093429446e4c2ba9d62713d8 100644
--- a/components/translate/core/browser/translate_manager_unittest.cc
+++ b/components/translate/core/browser/translate_manager_unittest.cc
@@ -4,7 +4,9 @@
 
 #include "components/translate/core/browser/translate_manager.h"
 
+#include "base/prefs/testing_pref_service.h"
 #include "components/translate/core/browser/translate_download_manager.h"
+#include "components/translate/core/browser/translate_prefs.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace translate {
@@ -22,12 +24,14 @@ TEST(TranslateManagerTest, GetTargetLanguageDefaultsToAppLocale) {
   TranslateDownloadManager* manager = TranslateDownloadManager::GetInstance();
   manager->ResetForTesting();
   manager->set_application_locale("en");
-  EXPECT_EQ("en", TranslateManager::GetTargetLanguage(accept_language_list));
+  TestingPrefServiceSimple prefs;
+  TranslatePrefs translate_prefs(&prefs, "intl.accept_languages", NULL);
+  EXPECT_EQ("en", TranslateManager::GetTargetLanguage(&translate_prefs));
 
   // Try a second supported language.
   ASSERT_TRUE(TranslateDownloadManager::IsSupportedLanguage("de"));
   manager->set_application_locale("de");
-  EXPECT_EQ("de", TranslateManager::GetTargetLanguage(accept_language_list));
+  EXPECT_EQ("de", TranslateManager::GetTargetLanguage(&translate_prefs));
 }
 
 // If the application locale's language is not supported, the target language
@@ -45,19 +49,23 @@ TEST(TranslateManagerTest, GetTargetLanguageAcceptLangFallback) {
   TranslateDownloadManager* manager = TranslateDownloadManager::GetInstance();
   manager->ResetForTesting();
   manager->set_application_locale("xy");
+  TestingPrefServiceSimple prefs;
+  TranslatePrefs translate_prefs(&prefs, "intl.accept_languages", NULL);
 
   // Default return is empty string.
-  EXPECT_EQ("", TranslateManager::GetTargetLanguage(accept_language_list));
+  EXPECT_EQ("", TranslateManager::GetTargetLanguage(&translate_prefs));
 
   // Unsupported languages still result in the empty string.
   ASSERT_FALSE(TranslateDownloadManager::IsSupportedLanguage("xy"));
   accept_language_list.push_back("xy");
-  EXPECT_EQ("", TranslateManager::GetTargetLanguage(accept_language_list));
+  translate_prefs.UpdateLanguageList(accept_language_list);
+  EXPECT_EQ("", TranslateManager::GetTargetLanguage(&translate_prefs));
 
   // First supported language is the fallback language.
   ASSERT_TRUE(TranslateDownloadManager::IsSupportedLanguage("en"));
   accept_language_list.push_back("en");
-  EXPECT_EQ("en", TranslateManager::GetTargetLanguage(accept_language_list));
+  translate_prefs.UpdateLanguageList(accept_language_list);
+  EXPECT_EQ("en", TranslateManager::GetTargetLanguage(&translate_prefs));
 }
 
 }  // namespace translate