Expanded Autofill Credit Card Popup Layout Experiment in Android.

components/autofill/core/browser/autofill_manager.h

Index: components/autofill/core/browser/autofill_manager.h
diff --git a/components/autofill/core/browser/autofill_manager.h b/components/autofill/core/browser/autofill_manager.h
index f3d3e2f762e8271d3fc262f0cda24476164aef63..90f30f8f968bd9484b65a9f76e261524f1de9d4a 100644
--- a/components/autofill/core/browser/autofill_manager.h
+++ b/components/autofill/core/browser/autofill_manager.h
@@ -97,6 +97,10 @@ class AutofillManager : public AutofillDownloadManager::Observer,
   virtual bool ShouldShowScanCreditCard(const FormData& form,
                                         const FormFieldData& field);
 
+  // Whether the |field| is for a credit card number.

[Mathieu, 2016/11/30 21:27:35]

nit: Current implementation also applies to credit card name, expiration, so
please adjust the comment.

[csashi, 2016/12/01 01:13:43]

Done.

+  virtual bool IsCreditCardField(const FormData& form,
+                                 const FormFieldData& field);
+
   // Whether we should show the signin promo, based on the triggered |field|
   // inside the |form|.
   virtual bool ShouldShowCreditCardSigninPromo(const FormData& form,