[Sync] Move //components/sync to the syncer namespace.

components/sync/test/engine/fake_sync_scheduler.cc

Index: components/sync/test/engine/fake_sync_scheduler.cc
diff --git a/components/sync/test/engine/fake_sync_scheduler.cc b/components/sync/test/engine/fake_sync_scheduler.cc
index 745830a519e2a90886cfacac4c8e7335120e0ddd..ae8bfba25bdb82e595dce61f6301ba4787441cf9 100644
--- a/components/sync/test/engine/fake_sync_scheduler.cc
+++ b/components/sync/test/engine/fake_sync_scheduler.cc
@@ -23,7 +23,7 @@ void FakeSyncScheduler::ScheduleLocalRefreshRequest(
     const tracked_objects::Location& nudge_location) {}
 
 void FakeSyncScheduler::ScheduleInvalidationNudge(
-    syncer::ModelType type,
+    ModelType type,
     std::unique_ptr<InvalidationInterface> interface,
     const tracked_objects::Location& nudge_location) {}
 
@@ -36,8 +36,7 @@ void FakeSyncScheduler::ScheduleClearServerData(const ClearParams& params) {
   params.report_success_task.Run();
 }
 
-void FakeSyncScheduler::ScheduleInitialSyncNudge(syncer::ModelType model_type) {
-}
+void FakeSyncScheduler::ScheduleInitialSyncNudge(ModelType model_type) {}
 
 void FakeSyncScheduler::SetNotificationsEnabled(bool notifications_enabled) {}