[Sync] Rename syncable_prefs to sync_preferences.

components/browser_sync/profile_sync_service_unittest.cc

Index: components/browser_sync/profile_sync_service_unittest.cc
diff --git a/components/browser_sync/profile_sync_service_unittest.cc b/components/browser_sync/profile_sync_service_unittest.cc
index 5486dbb7b199870d50ab4ab72237ab44952a6b8d..1ef971859a7b8999ba60e513169d8d642a79d0e2 100644
--- a/components/browser_sync/profile_sync_service_unittest.cc
+++ b/components/browser_sync/profile_sync_service_unittest.cc
@@ -32,7 +32,7 @@
 #include "components/sync/driver/sync_driver_switches.h"
 #include "components/sync/driver/sync_service_observer.h"
 #include "components/sync/driver/sync_util.h"
-#include "components/syncable_prefs/testing_pref_service_syncable.h"
+#include "components/sync_preferences/testing_pref_service_syncable.h"
 #include "components/version_info/version_info_values.h"
 #include "google_apis/gaia/gaia_constants.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ -355,7 +355,7 @@ class ProfileSyncServiceTest : public ::testing::Test {
 
   ProfileSyncService* service() { return service_.get(); }
 
-  syncable_prefs::TestingPrefServiceSyncable* prefs() {
+  sync_preferences::TestingPrefServiceSyncable* prefs() {
     return profile_sync_service_bundle_.pref_service();
   }