Introduce move operators for AutofillField.

AutofillField inherits from a copyable and moveable type, FormData and
all of its members are (copyable and) moveable as well.

Bug: 1466062
Change-Id: I02acc7dfb7f8957de2acedb88729e47784665cbe
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4700303
Code-Coverage: Findit <findit-for-me@appspot.gserviceaccount.com>
Reviewed-by: Christoph Schwering <schwering@google.com>
Commit-Queue: Jan Keitel <jkeitel@google.com>
Cr-Commit-Position: refs/heads/main@{#1172970}

components/autofill/core/browser/autofill_field.cc

@@ -250,14 +250,16 @@ AutofillField::AutofillField(FieldSignature field_signature) : AutofillField() {
 }
 
 AutofillField::AutofillField(const FormFieldData& field)
-    : FormFieldData(field),
+    : FormFieldData(field), parseable_name_(name), parseable_label_(label) {
-      parseable_name_(field.name),
-      parseable_label_(field.label) {
   field_signature_ =
       CalculateFieldSignatureByNameAndType(name, form_control_type);
   local_type_predictions_.fill(NO_SERVER_DATA);
 }
 
+AutofillField::AutofillField(AutofillField&&) = default;
+
+AutofillField& AutofillField::operator=(AutofillField&&) = default;
+
 AutofillField::~AutofillField() = default;
 
 std::unique_ptr<AutofillField> AutofillField::CreateForPasswordManagerUpload(

components/autofill/core/browser/autofill_field.h

@@ -59,6 +59,8 @@ class AutofillField : public FormFieldData {
 
   AutofillField(const AutofillField&) = delete;
   AutofillField& operator=(const AutofillField&) = delete;
+  AutofillField(AutofillField&&);
+  AutofillField& operator=(AutofillField&&);
 
   virtual ~AutofillField();