[Autofill] Don't save autocomplete text entered into fields with autocomplete="off"

components/autofill/core/browser/autocomplete_history_manager.cc

Index: components/autofill/core/browser/autocomplete_history_manager.cc
diff --git a/components/autofill/core/browser/autocomplete_history_manager.cc b/components/autofill/core/browser/autocomplete_history_manager.cc
index 5b8bbb48644b12c40c06c7216339a7f4787204a9..e7081c0f9053b3d2967690233e72c83b7b3d90a9 100644
--- a/components/autofill/core/browser/autocomplete_history_manager.cc
+++ b/components/autofill/core/browser/autocomplete_history_manager.cc
@@ -126,6 +126,7 @@ void AutocompleteHistoryManager::OnFormSubmitted(const FormData& form) {
   //  - non-empty name
   //  - non-empty value
   //  - text field
+  //  - autocomplete is not disabled
   //  - value is not a credit card number
   //  - value is not a SSN
   std::vector<FormFieldData> values;
@@ -135,6 +136,7 @@ void AutocompleteHistoryManager::OnFormSubmitted(const FormData& form) {
     if (!iter->value.empty() &&
         !iter->name.empty() &&
         IsTextField(*iter) &&
+        iter->should_autocomplete &&
         !autofill::IsValidCreditCardNumber(iter->value) &&
         !autofill::IsSSN(iter->value)) {
       values.push_back(*iter);