Revert of [Password Manager] Send username correction votes

components/autofill/content/common/autofill_types_struct_traits.h

Index: components/autofill/content/common/autofill_types_struct_traits.h
diff --git a/components/autofill/content/common/autofill_types_struct_traits.h b/components/autofill/content/common/autofill_types_struct_traits.h
index 7d4c03035427ec97cd496d13f90986d53dd14d98..ee3aa01693edd4681af31c8a4d160665857b7337 100644
--- a/components/autofill/content/common/autofill_types_struct_traits.h
+++ b/components/autofill/content/common/autofill_types_struct_traits.h
@@ -387,8 +387,8 @@
     return r.username_value;
   }
 
-  static const std::vector<autofill::PossibleUsernamePair>&
-  other_possible_usernames(const autofill::PasswordForm& r) {
+  static const std::vector<base::string16>& other_possible_usernames(
+      const autofill::PasswordForm& r) {
     return r.other_possible_usernames;
   }
 
@@ -557,21 +557,6 @@
                    autofill::FormsPredictionsMap* out);
 };
 
-template <>
-struct StructTraits<autofill::mojom::PossibleUsernamePairDataView,
-                    autofill::PossibleUsernamePair> {
-  static base::string16 value(const autofill::PossibleUsernamePair& r) {
-    return r.first;
-  }
-
-  static base::string16 field_name(const autofill::PossibleUsernamePair& r) {
-    return r.second;
-  }
-
-  static bool Read(autofill::mojom::PossibleUsernamePairDataView data,
-                   autofill::PossibleUsernamePair* out);
-};
-
 }  // namespace mojo
 
 #endif  // COMPONENTS_AUTOFILL_CONTENT_COMMON_AUTOFILL_TYPES_STRUCT_TRAITS_H_