[Autofill] Componentize AutofillCCInfoBarDelegate.

components/autofill/core/browser/autofill_client.h

Index: components/autofill/core/browser/autofill_client.h
diff --git a/components/autofill/core/browser/autofill_client.h b/components/autofill/core/browser/autofill_client.h
index 6ffcd7066c046bce89f975dae5fdf88b2e4afbaf..5cbc8727fa7d571e0f38ef3dcd47c34ff8581541 100644
--- a/components/autofill/core/browser/autofill_client.h
+++ b/components/autofill/core/browser/autofill_client.h
@@ -26,6 +26,7 @@ class PrefService;
 
 namespace autofill {
 
+class AutofillDriver;
 class AutofillPopupDelegate;
 class AutofillWebDataService;
 class CreditCard;
@@ -81,8 +82,10 @@ class AutofillClient {
   virtual void ShowUnmaskPrompt() = 0;
 
   // Run |save_card_callback| if the credit card should be imported as personal
-  // data. |metric_logger| can be used to log user actions.
+  // data. |autofill_driver| abstracts call to open url. |metric_logger| can be

[Peter Kasting, 2014/12/29 22:24:30]

The added sentence here is meaningless: what call and what URL?  Instead, this
function's comment should say something about opening an infobar to prompt the
user, and it probably doesn't even need to mention the driver.

[Pritam Nikam, 2014/12/30 13:22:14]

Done.

+  // used to log user actions.
   virtual void ConfirmSaveCreditCard(
+      AutofillDriver* autofill_driver,
       const base::Closure& save_card_callback) = 0;
 
   // Returns true if both the platform and the device support scanning credit