[Autofill] Credit Card validation for rAc.

chrome/browser/autofill/validation.cc

Index: chrome/browser/autofill/validation.cc
diff --git a/chrome/browser/autofill/validation.cc b/chrome/browser/autofill/validation.cc
index ad34b312f7948b54991957b3e2cd356ba3394675..a821224ee09e56b694d268e1a4f3b61566c55c07 100644
--- a/chrome/browser/autofill/validation.cc
+++ b/chrome/browser/autofill/validation.cc
@@ -5,6 +5,8 @@
 #include "chrome/browser/autofill/validation.h"
 
 #include "base/string_util.h"
+#include "base/strings/string_number_conversions.h"
+#include "base/time.h"

[Ilya Sherman, 2013/02/11 22:55:10]

nit: Both of these #includes look like they are not needed.

[groby-ooo-7-16, 2013/02/11 23:27:07]

Oops, sorry. Done.
On 2013/02/11 22:55:10, Ilya Sherman wrote:

 #include "chrome/browser/autofill/credit_card.h"
 
 namespace autofill {
@@ -45,4 +47,17 @@ bool IsValidCreditCardNumber(const string16& text) {
   return (sum % 10) == 0;
 }
 
+bool IsValidCreditCardSecurityCode(const string16& text) {
+  if (text.size() < 3U || text.size() > 4U)
+    return false;
+
+  for (string16::const_iterator iter = text.begin();
+       iter != text.end();
+       ++iter) {
+    if (!IsAsciiDigit(*iter))
+      return false;
+  }
+  return true;
+}
+
 }  // namespace autofill