[rAc OSX] Return CVC data from Autofill dialog.

chrome/browser/ui/cocoa/autofill/autofill_dialog_cocoa.mm

Index: chrome/browser/ui/cocoa/autofill/autofill_dialog_cocoa.mm
diff --git a/chrome/browser/ui/cocoa/autofill/autofill_dialog_cocoa.mm b/chrome/browser/ui/cocoa/autofill/autofill_dialog_cocoa.mm
index 8c1978a3dec4d7f3871fb9e0a4c4b3f8e2b4f1f5..0ac919871a01f9ef740f0d6c9cf3156259b4916a 100644
--- a/chrome/browser/ui/cocoa/autofill/autofill_dialog_cocoa.mm
+++ b/chrome/browser/ui/cocoa/autofill/autofill_dialog_cocoa.mm
@@ -131,7 +131,7 @@ void AutofillDialogCocoa::GetUserInput(DialogSection section,
 }
 
 string16 AutofillDialogCocoa::GetCvc() {
-  return string16();
+  return base::SysNSStringToUTF16([sheet_delegate_ getCvc]);
 }
 
 bool AutofillDialogCocoa::HitTestInput(const DetailInput& input,
@@ -571,6 +571,16 @@ void AutofillDialogCocoa::OnConstrainedWindowClosed(
   [[mainContainer_ sectionForId:section] getInputs:output];
 }
 
+- (NSString*)getCvc {
+  autofill::DialogSection section = autofill::SECTION_CC;
+  NSString* value = [[mainContainer_ sectionForId:section] suggestionText];
+  if (!value) {
+    section = autofill::SECTION_CC_BILLING;
+    value = [[mainContainer_ sectionForId:section] suggestionText];
+  }
+  return value;
+}
+
 - (BOOL)saveDetailsLocally {
   return [mainContainer_ saveDetailsLocally];
 }