[WebPayments] Implementing Profile filter and dedupe

components/autofill/core/browser/form_group.h

Index: components/autofill/core/browser/form_group.h
diff --git a/components/autofill/core/browser/form_group.h b/components/autofill/core/browser/form_group.h
index 86bd4531bb185b42115977a2bc3c6413bc59d305..c3d9cd14e2d9540326b7ef62ba6a3efe81c4a2e1 100644
--- a/components/autofill/core/browser/form_group.h
+++ b/components/autofill/core/browser/form_group.h
@@ -53,6 +53,10 @@ class FormGroup {
                        const base::string16& value,
                        const std::string& app_locale);
 
+  // Returns true iff the string associated with |type| is nonempty.
+  bool HasInfo(ServerFieldType type) const;
+  bool HasInfo(const AutofillType& type) const;
+
  protected:
   // AutofillProfile needs to call into GetSupportedTypes() for objects of
   // non-AutofillProfile type, for which mere inheritance is insufficient.