[Autofill] No longer pass FormStructure pointers in ParseQueryResponse.

components/autofill/core/browser/form_structure.h

Index: components/autofill/core/browser/form_structure.h
diff --git a/components/autofill/core/browser/form_structure.h b/components/autofill/core/browser/form_structure.h
index 14cdd1da1f237c4fb50591cc29507a9e231bd8f3..875342045c45039948c708c7cc9738ec1aaa1bd1 100644
--- a/components/autofill/core/browser/form_structure.h
+++ b/components/autofill/core/browser/form_structure.h
@@ -71,15 +71,13 @@ class FormStructure {
 
   // Encodes the XML query request for the set of |forms| that are valid (see
   // implementation for details on which forms are not included in the query).
-  // The forms and form signatures used in the Query request are output in
-  // |queried_forms| and |encoded_signatures|, respectively. All valid fields
-  // are encoded in |encoded_xml|. For example, there are three valid forms,
-  // with 2, 4, and 3 fields. The returned XML would have type info for 9
-  // fields, first two of which would be for the first form, next 4 for the
-  // second, and the rest is for the third.
+  // The form signatures used in the Query request are output in
+  // |encoded_signatures|. All valid fields are encoded in |encoded_xml|. For
+  // example, there are three valid forms, with 2, 4, and 3 fields. The returned
+  // XML would have type info for 9 fields, first two of which would be for the
+  // first form, next 4 for the second, and the rest is for the third.
   static bool EncodeQueryRequest(const std::vector<FormStructure*>& forms,
                                  std::vector<std::string>* encoded_signatures,
-                                 std::vector<FormStructure*>* queried_forms,
                                  std::string* encoded_xml);
 
   // Parses the field types from the server query response. |forms| must be the