Add patch to sync history delete directives and history entities toge…

…ther

patches/components-sync-base-model_type.h.patch

@@ -0,0 +1,18 @@
+diff --git a/components/sync/base/model_type.h b/components/sync/base/model_type.h
+index 8e423e993701c104d4a669c04a46aaa9beb93cc9..1f482ab406111b7a5859b0b22f8fc963827134b6 100644
+--- a/components/sync/base/model_type.h
++++ b/components/sync/base/model_type.h
+@@ -379,9 +379,10 @@ constexpr ModelTypeSet HighPriorityUserTypes() {
+ // low-priority types has been downloaded (which may be a lot of data).
+ constexpr ModelTypeSet LowPriorityUserTypes() {
+   return {
+-      // Downloading History may take a while, but should not block the download
+-      // of other data types.
+-      HISTORY,
++      // Directives must be synced after history entities. If
++      // history delete directives are processed before retrieving history upon
++      // initial sync, relevant entries will not be deleted.
++      HISTORY_DELETE_DIRECTIVES,
+       // User Events should not block or delay commits for other data types.
+       USER_EVENTS};
+ }