[Sync] Move //components/sync to the syncer namespace, take 2.

chrome/browser/supervised_user/supervised_user_service.h

Index: chrome/browser/supervised_user/supervised_user_service.h
diff --git a/chrome/browser/supervised_user/supervised_user_service.h b/chrome/browser/supervised_user/supervised_user_service.h
index 0c37600e9b70cabd3bfb187688ab970a1449bbc9..248776714b590a6ed606c4a838b0cc6dbfb1bcb6 100644
--- a/chrome/browser/supervised_user/supervised_user_service.h
+++ b/chrome/browser/supervised_user/supervised_user_service.h
@@ -61,7 +61,7 @@ namespace extensions {
 class ExtensionRegistry;
 }
 
-namespace sync_driver {
+namespace syncer {
 class SyncSetupInProgressHandle;
 }
 
@@ -77,9 +77,9 @@ class SupervisedUserService : public KeyedService,
                               public extensions::ExtensionRegistryObserver,
                               public extensions::ManagementPolicy::Provider,
 #endif
-                              public SyncTypePreferenceProvider,
+                              public syncer::SyncTypePreferenceProvider,
 #if !defined(OS_ANDROID)
-                              public sync_driver::SyncServiceObserver,
+                              public syncer::SyncServiceObserver,
                               public chrome::BrowserListObserver,
 #endif
                               public SupervisedUserURLFilter::Observer {
@@ -213,7 +213,7 @@ class SupervisedUserService : public KeyedService,
   syncer::ModelTypeSet GetPreferredDataTypes() const override;
 
 #if !defined(OS_ANDROID)
-  // sync_driver::SyncServiceObserver implementation:
+  // syncer::SyncServiceObserver implementation:
   void OnStateChanged() override;
 
   // chrome::BrowserListObserver implementation:
@@ -471,7 +471,7 @@ class SupervisedUserService : public KeyedService,
   base::ObserverList<SupervisedUserServiceObserver> observer_list_;
 
   // Prevents Sync from running until configuration is complete.
-  std::unique_ptr<sync_driver::SyncSetupInProgressHandle> sync_blocker_;
+  std::unique_ptr<syncer::SyncSetupInProgressHandle> sync_blocker_;
 
   base::WeakPtrFactory<SupervisedUserService> weak_ptr_factory_;
 };