[Sync] Rename syncable_prefs to sync_preferences.

chrome/browser/extensions/extension_service_test_base.cc

Index: chrome/browser/extensions/extension_service_test_base.cc
diff --git a/chrome/browser/extensions/extension_service_test_base.cc b/chrome/browser/extensions/extension_service_test_base.cc
index c2f6fe47f47c9d9e1ce7ccb1a46894b7d7158104..3179878acb208ef17e6ce569d637bc66938a43d2 100644
--- a/chrome/browser/extensions/extension_service_test_base.cc
+++ b/chrome/browser/extensions/extension_service_test_base.cc
@@ -27,8 +27,8 @@
 #include "chrome/test/base/testing_browser_process.h"
 #include "chrome/test/base/testing_profile.h"
 #include "components/pref_registry/pref_registry_syncable.h"
-#include "components/syncable_prefs/pref_service_mock_factory.h"
-#include "components/syncable_prefs/pref_service_syncable.h"
+#include "components/sync_preferences/pref_service_mock_factory.h"
+#include "components/sync_preferences/pref_service_syncable.h"
 #include "content/public/browser/browser_context.h"
 #include "extensions/browser/extension_prefs.h"
 #include "extensions/browser/extension_registry.h"
@@ -49,15 +49,15 @@ std::unique_ptr<TestingProfile> BuildTestingProfile(
     const ExtensionServiceTestBase::ExtensionServiceInitParams& params) {
   TestingProfile::Builder profile_builder;
   // Create a PrefService that only contains user defined preference values.
-  syncable_prefs::PrefServiceMockFactory factory;
+  sync_preferences::PrefServiceMockFactory factory;
   // If pref_file is empty, TestingProfile automatically creates
-  // syncable_prefs::TestingPrefServiceSyncable instance.
+  // sync_preferences::TestingPrefServiceSyncable instance.
   if (!params.pref_file.empty()) {
     factory.SetUserPrefsFile(params.pref_file,
                              base::ThreadTaskRunnerHandle::Get().get());
     scoped_refptr<user_prefs::PrefRegistrySyncable> registry(
         new user_prefs::PrefRegistrySyncable);
-    std::unique_ptr<syncable_prefs::PrefServiceSyncable> prefs(
+    std::unique_ptr<sync_preferences::PrefServiceSyncable> prefs(
         factory.CreateSyncable(registry.get()));
     chrome::RegisterUserProfilePrefs(registry.get());
     profile_builder.SetPrefService(std::move(prefs));