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

chrome/browser/sync/test/integration/p2p_sync_refresher.h

Index: chrome/browser/sync/test/integration/p2p_sync_refresher.h
diff --git a/chrome/browser/sync/test/integration/p2p_sync_refresher.h b/chrome/browser/sync/test/integration/p2p_sync_refresher.h
index f002ea561347aed65434668edbd9fe73a5aff2fc..6c40df0ccd8380db68c587b56264016e96aa25d2 100644
--- a/chrome/browser/sync/test/integration/p2p_sync_refresher.h
+++ b/chrome/browser/sync/test/integration/p2p_sync_refresher.h
@@ -19,13 +19,13 @@ class ProfileSyncService;
 //
 // It register and unregisters in its constructor and destructor.  This is
 // intended to make it easy to manage with a scoped_ptr.
-class P2PSyncRefresher : public sync_driver::SyncServiceObserver {
+class P2PSyncRefresher : public syncer::SyncServiceObserver {
  public:
   P2PSyncRefresher(Profile* profile,
                    browser_sync::ProfileSyncService* sync_service);
   ~P2PSyncRefresher() override;
 
-  // Implementation of sync_driver::SyncServiceObserver
+  // Implementation of syncer::SyncServiceObserver
   void OnStateChanged() override;
   void OnSyncCycleCompleted() override;