[Autofill] Respect the autocomplete=off attribute.

components/autofill/core/browser/autofill_field.cc

Index: components/autofill/core/browser/autofill_field.cc
diff --git a/components/autofill/core/browser/autofill_field.cc b/components/autofill/core/browser/autofill_field.cc
index 5fd597d1d07141a1863d67355e30123c69896ab4..41bc2fc075870540bd2d522fb0e9d9e8b23fc99a 100644
--- a/components/autofill/core/browser/autofill_field.cc
+++ b/components/autofill/core/browser/autofill_field.cc
@@ -20,6 +20,7 @@
 #include "components/autofill/core/browser/state_names.h"
 #include "components/autofill/core/common/autofill_l10n_util.h"
 #include "components/autofill/core/common/autofill_switches.h"
+#include "components/autofill/core/common/autofill_util.h"
 #include "grit/components_strings.h"
 #include "third_party/libaddressinput/src/cpp/include/libaddressinput/address_data.h"
 #include "third_party/libaddressinput/src/cpp/include/libaddressinput/address_formatter.h"
@@ -500,6 +501,13 @@ bool AutofillField::FillFormField(const AutofillField& field,
                                   FormFieldData* field_data) {
   AutofillType type = field.Type();
 
+  // Don't fill if autocomplete=off is set on |field| on desktop for non credit
+  // card related fields.
+  if (!field.should_autocomplete && IsDesktopPlatform() &&
+      (type.group() != CREDIT_CARD)) {
+    return false;
+  }
+
   if (type.GetStorableType() == PHONE_HOME_NUMBER) {
     FillPhoneNumberField(field, value, field_data);
     return true;