[Sync] Remove entry from SMTP::storage_key_to_tag_hash_ when deleting tracker

components/sync/model_impl/shared_model_type_processor.h

Index: components/sync/model_impl/shared_model_type_processor.h
diff --git a/components/sync/model_impl/shared_model_type_processor.h b/components/sync/model_impl/shared_model_type_processor.h
index 4b0a6ddc2711844a7d68b55dd76dc93da32d2f78..65530d4652328cdfaa8871c5ce52b18100e212af 100644
--- a/components/sync/model_impl/shared_model_type_processor.h
+++ b/components/sync/model_impl/shared_model_type_processor.h
@@ -166,7 +166,7 @@ class SharedModelTypeProcessor : public ModelTypeProcessor,
   // entities may not always contain model type data/specifics.
   EntityMap entities_;
 
-  // The bridge wants to communicate entirly via storage keys that is free to
+  // The bridge wants to communicate entirely via storage keys that is free to
   // define and can understand more easily. All of the sync machinery wants to
   // use client tag hash. This mapping allows us to convert from storage key to
   // client tag hash. The other direction can use |entities_|.