Fix translate namespace

components/translate/core/browser/translate_prefs_unittest.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_prefs.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
 #include "components/translate/core/browser/translate_download_manager.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+namespace translate {
+
 TEST(TranslatePrefsTest, CreateBlockedLanguages) {
   TranslateDownloadManager::GetInstance()->set_application_locale("en");
   std::vector<std::string> blacklisted_languages;
   blacklisted_languages.push_back("en");
   blacklisted_languages.push_back("fr");
   // Hebrew: synonym to 'he'
   blacklisted_languages.push_back("iw");
   // Haitian is not used as Accept-Language
   blacklisted_languages.push_back("ht");
 
@@ skipping 87 matching lines @@
     EXPECT_EQ(expected.size(), blocked_languages.size());
     for (std::vector<std::string>::const_iterator it = expected.begin();
          it != expected.end(); ++it) {
       EXPECT_NE(blocked_languages.end(),
                 std::find(blocked_languages.begin(),
                           blocked_languages.end(),
                           *it));
     }
   }
 }
+
+}  // namespace translate