Revert of [Sync] Move //components/sync to the syncer namespace. (patchset #5 id:40001 of https://co

ios/chrome/browser/sync/sync_setup_service.h

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef IOS_CHROME_BROWSER_SYNC_SYNC_SETUP_SERVICE_H_
 #define IOS_CHROME_BROWSER_SYNC_SYNC_SETUP_SERVICE_H_
 
 #include <map>
 #include <memory>
 
 #include "base/macros.h"
 #include "base/strings/string16.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "components/sync/base/model_type.h"
 #include "components/sync/base/syncer_error.h"
 
-class PrefService;
-
-namespace syncer {
+namespace sync_driver {
 class SyncService;
 class SyncSetupInProgressHandle;
-}  // namespace syncer
+}
+
+class PrefService;
 
 // Class that allows configuring sync. It handles enabling and disabling it, as
 // well as choosing datatypes. Most actions are delayed until a commit is done,
 // to allow the complex sync setup flow on iOS.
 class SyncSetupService : public KeyedService {
  public:
   typedef enum {
     kNoSyncServiceError,
     kSyncServiceSignInNeedsUpdate,
     kSyncServiceCouldNotConnect,
     kSyncServiceServiceUnavailable,
     kSyncServiceNeedsPassphrase,
     kSyncServiceUnrecoverableError,
     kLastSyncServiceError = kSyncServiceUnrecoverableError
   } SyncServiceState;
 
   // The set of user-selectable datatypes handled by Chrome for iOS.
   typedef enum {
     kSyncBookmarks,
     kSyncOmniboxHistory,
     kSyncPasswords,
     kSyncOpenTabs,
     kSyncAutofill,
     kSyncPreferences,
     kNumberOfSyncableDatatypes
   } SyncableDatatype;
 
-  SyncSetupService(syncer::SyncService* sync_service, PrefService* prefs);
+  SyncSetupService(sync_driver::SyncService* sync_service, PrefService* prefs);
   ~SyncSetupService() override;
 
   // Returns the |syncer::ModelType| associated to the given
   // |SyncableDatatypes|.
   syncer::ModelType GetModelType(SyncableDatatype datatype);
 
   // Returns whether sync is enabled.
   virtual bool IsSyncEnabled() const;
   // Enables or disables sync. Changes won't take effect in the sync backend
   // before the next call to |CommitChanges|.
@@ skipping 36 matching lines @@
 
   // Returns true if there are uncommitted sync changes;
   bool HasUncommittedChanges();
 
  private:
   // Enables or disables sync. Changes won't take effect in the sync backend
   // before the next call to |CommitChanges|. No changes are made to the
   // currently selected datatypes.
   void SetSyncEnabledWithoutChangingDatatypes(bool sync_enabled);
 
-  syncer::SyncService* const sync_service_;
+  sync_driver::SyncService* const sync_service_;
   PrefService* const prefs_;
   syncer::ModelTypeSet user_selectable_types_;
 
   // Prevents Sync from running until configuration is complete.
-  std::unique_ptr<syncer::SyncSetupInProgressHandle> sync_blocker_;
+  std::unique_ptr<sync_driver::SyncSetupInProgressHandle> sync_blocker_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncSetupService);
 };
 
 #endif  // IOS_CHROME_BROWSER_SYNC_SYNC_SETUP_SERVICE_H_