Move JoinString to the base namespace

components/search_engines/default_search_pref_migration_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/search_engines/default_search_pref_migration.h"
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 73 matching lines @@
     instant_url = t_url->instant_url();
     image_url = t_url->image_url();
     new_tab_url = t_url->new_tab_url();
     search_url_post_params = t_url->search_url_post_params();
     suggest_url_post_params = t_url->suggestions_url_post_params();
     instant_url_post_params = t_url->instant_url_post_params();
     image_url_post_params = t_url->image_url_post_params();
     GURL icon_gurl = t_url->favicon_url();
     if (!icon_gurl.is_empty())
       icon_url = icon_gurl.spec();
-    encodings = JoinString(t_url->input_encodings(), ';');
+    encodings = base::JoinString(t_url->input_encodings(), ";");
     short_name = base::UTF16ToUTF8(t_url->short_name());
     keyword = base::UTF16ToUTF8(t_url->keyword());
     id_string = base::Int64ToString(t_url->id());
     prepopulate_id = base::Int64ToString(t_url->prepopulate_id());
     for (size_t i = 0; i < t_url->alternate_urls().size(); ++i)
       alternate_urls.AppendString(t_url->alternate_urls()[i]);
     search_terms_replacement_key = t_url->search_terms_replacement_key();
   }
   prefs->SetBoolean(prefs::kDefaultSearchProviderEnabled, enabled);
   prefs->SetString(prefs::kDefaultSearchProviderSearchURL, search_url);
@@ skipping 118 matching lines @@
   // Store a value in the legacy location.
   SaveDefaultSearchProviderToLegacyPrefs(&prepopulated_turl);
 
   // Run the migration.
   ConfigureDefaultSearchPrefMigrationToDictionaryValue(pref_service());
 
   // Test that the legacy value is not migrated, as it is not user-selected.
   default_search_manager()->GetDefaultSearchEngine(&source);
   EXPECT_EQ(DefaultSearchManager::FROM_FALLBACK, source);
 }