Remove NOTIFICATION_HISTORY_URLS_DELETED

chrome/browser/sync/glue/typed_url_change_processor.h

Index: chrome/browser/sync/glue/typed_url_change_processor.h
diff --git a/chrome/browser/sync/glue/typed_url_change_processor.h b/chrome/browser/sync/glue/typed_url_change_processor.h
index 5431af5c8081977d348791a96195a305e305236b..267e952df6bb86e728af5bd8e282b258f3b87356 100644
--- a/chrome/browser/sync/glue/typed_url_change_processor.h
+++ b/chrome/browser/sync/glue/typed_url_change_processor.h
@@ -10,13 +10,11 @@
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/scoped_observer.h"
 #include "chrome/browser/sync/glue/sync_backend_host.h"
 #include "chrome/browser/sync/glue/typed_url_model_associator.h"
 #include "components/history/core/browser/history_backend_observer.h"
 #include "components/sync_driver/data_type_error_handler.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
-#include "content/public/browser/notification_types.h"
 
 class Profile;
 
@@ -24,10 +22,6 @@ namespace base {
 class MessageLoop;
 }
 
-namespace content {
-class NotificationService;
-}
-
 namespace history {
 class HistoryBackend;
 struct URLsDeletedDetails;
@@ -43,7 +37,6 @@ class DataTypeErrorHandler;
 // applying them to the sync API 'syncable' model, and vice versa. All
 // operations and use of this class are from the UI thread.
 class TypedUrlChangeProcessor : public sync_driver::ChangeProcessor,
-                                public content::NotificationObserver,
                                 public history::HistoryBackendObserver {
  public:
   TypedUrlChangeProcessor(Profile* profile,
@@ -52,12 +45,6 @@ class TypedUrlChangeProcessor : public sync_driver::ChangeProcessor,
                           sync_driver::DataTypeErrorHandler* error_handler);
   ~TypedUrlChangeProcessor() override;
 
-  // content::NotificationObserver implementation.
-  // History -> sync API change application.
-  void Observe(int type,
-               const content::NotificationSource& source,
-               const content::NotificationDetails& details) override;
-
   // history::HistoryBackendObserver:
   void OnURLVisited(history::HistoryBackend* history_backend,
                     ui::PageTransition transition,
@@ -66,6 +53,9 @@ class TypedUrlChangeProcessor : public sync_driver::ChangeProcessor,
                     base::Time visit_time) override;
   void OnURLsModified(history::HistoryBackend* history_backend,
                       const history::URLRows& changed_urls) override;
+  void OnURLsDeleted(
+      history::HistoryBackend* history_backend,
+      const history::URLsDeletedDetails& deleted_details) override;
 
   // sync API model -> WebDataService change application.
   void ApplyChangesFromSyncModel(
@@ -114,10 +104,6 @@ class TypedUrlChangeProcessor : public sync_driver::ChangeProcessor,
   history::HistoryBackend* history_backend_;
   base::MessageLoop* backend_loop_;
 
-  content::NotificationRegistrar notification_registrar_;
-
-  scoped_ptr<content::NotificationService> notification_service_;
-
   // The set of pending changes that will be written out on the next
   // CommitChangesFromSyncModel() call.
   history::URLRows pending_new_urls_;
@@ -129,6 +115,9 @@ class TypedUrlChangeProcessor : public sync_driver::ChangeProcessor,
   bool disconnected_;
   base::Lock disconnect_lock_;
 
+  ScopedObserver<history::HistoryBackend, history::HistoryBackendObserver>
+      history_backend_observer_;
+
   DISALLOW_COPY_AND_ASSIGN(TypedUrlChangeProcessor);
 };