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

components/sync/driver/sync_policy_handler.h

 // Copyright 2013 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 COMPONENTS_SYNC_DRIVER_SYNC_POLICY_HANDLER_H_
 #define COMPONENTS_SYNC_DRIVER_SYNC_POLICY_HANDLER_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "components/policy/core/browser/configuration_policy_handler.h"
 
 class PrefValueMap;
 
-namespace syncer {
+namespace sync_driver {
 
 class PolicyMap;
 
 // ConfigurationPolicyHandler for the SyncDisabled policy.
 class SyncPolicyHandler : public policy::TypeCheckingPolicyHandler {
  public:
   SyncPolicyHandler();
   ~SyncPolicyHandler() override;
 
   // ConfigurationPolicyHandler methods:
   void ApplyPolicySettings(const policy::PolicyMap& policies,
                            PrefValueMap* prefs) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SyncPolicyHandler);
 };
 
-}  // namespace syncer
+}  // namespace sync_driver
 
 #endif  // COMPONENTS_SYNC_DRIVER_SYNC_POLICY_HANDLER_H_