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

components/history/core/browser/history_delete_directives_data_type_controller.h

Index: components/history/core/browser/history_delete_directives_data_type_controller.h
diff --git a/components/history/core/browser/history_delete_directives_data_type_controller.h b/components/history/core/browser/history_delete_directives_data_type_controller.h
index 07016e763b69cd2915d622561c11c9b503953646..66cd6ad86f2c7c46b48d7a722a646fb779aa64da 100644
--- a/components/history/core/browser/history_delete_directives_data_type_controller.h
+++ b/components/history/core/browser/history_delete_directives_data_type_controller.h
@@ -15,12 +15,13 @@ namespace browser_sync {
 // A controller for delete directives, which cannot sync when full encryption
 // is enabled.
 class HistoryDeleteDirectivesDataTypeController
-    : public syncer::UIDataTypeController,
-      public syncer::SyncServiceObserver {
+    : public sync_driver::UIDataTypeController,
+      public sync_driver::SyncServiceObserver {
  public:
   // |dump_stack| is called when an unrecoverable error occurs.
-  HistoryDeleteDirectivesDataTypeController(const base::Closure& dump_stack,
-                                            syncer::SyncClient* sync_client);
+  HistoryDeleteDirectivesDataTypeController(
+      const base::Closure& dump_stack,
+      sync_driver::SyncClient* sync_client);
   ~HistoryDeleteDirectivesDataTypeController() override;
 
   // UIDataTypeController override.
@@ -28,7 +29,7 @@ class HistoryDeleteDirectivesDataTypeController
   bool StartModels() override;
   void StopModels() override;
 
-  // syncer::SyncServiceObserver implementation.
+  // sync_driver::SyncServiceObserver implementation.
   void OnStateChanged() override;
 
  private:
@@ -36,7 +37,7 @@ class HistoryDeleteDirectivesDataTypeController
   // type is no longer ready, else does nothing and returns false.
   bool DisableTypeIfNecessary();
 
-  syncer::SyncClient* sync_client_;
+  sync_driver::SyncClient* sync_client_;
 
   DISALLOW_COPY_AND_ASSIGN(HistoryDeleteDirectivesDataTypeController);
 };