components: Change auto to not deduce raw pointers.

components/autofill/core/browser/form_structure.cc

Index: components/autofill/core/browser/form_structure.cc
diff --git a/components/autofill/core/browser/form_structure.cc b/components/autofill/core/browser/form_structure.cc
index 6379bd70a6c8c95e35e32407a2e8b27775185c4b..294c35b9e9a1bf3f3d5132a0f99418401e0d5300 100644
--- a/components/autofill/core/browser/form_structure.cc
+++ b/components/autofill/core/browser/form_structure.cc
@@ -432,7 +432,7 @@ bool FormStructure::EncodeQueryRequest(
   // Some badly formatted web sites repeat forms - detect that and encode only
   // one form as returned data would be the same for all the repeated forms.
   std::set<std::string> processed_forms;
-  for (const auto& form : forms) {
+  for (const auto* form : forms) {
     std::string signature(form->FormSignature());
     if (processed_forms.find(signature) != processed_forms.end())
       continue;