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

components/sync/driver/data_type_encryption_handler.h

Index: components/sync/driver/data_type_encryption_handler.h
diff --git a/components/sync/driver/data_type_encryption_handler.h b/components/sync/driver/data_type_encryption_handler.h
index da37a9ab97645d75018e2627aeb64880ccf03dcb..fa39e942edaa44a3d2af13e3bf324419aedbc5fc 100644
--- a/components/sync/driver/data_type_encryption_handler.h
+++ b/components/sync/driver/data_type_encryption_handler.h
@@ -7,7 +7,7 @@
 
 #include "components/sync/base/model_type.h"
 
-namespace sync_driver {
+namespace syncer {
 
 // The DataTypeEncryptionHandler provides the status of datatype encryption.
 class DataTypeEncryptionHandler {
@@ -20,9 +20,9 @@ class DataTypeEncryptionHandler {
   virtual bool IsPassphraseRequired() const = 0;
 
   // Returns the current set of encrypted data types.
-  virtual syncer::ModelTypeSet GetEncryptedDataTypes() const = 0;
+  virtual ModelTypeSet GetEncryptedDataTypes() const = 0;
 };
 
-}  // namespace sync_driver
+}  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_DRIVER_DATA_TYPE_ENCRYPTION_HANDLER_H_