Support autocompletion for HTMl5 tags:"email", "month" and "tel".

chrome/browser/autofill/credit_card.h

Index: chrome/browser/autofill/credit_card.h
diff --git a/chrome/browser/autofill/credit_card.h b/chrome/browser/autofill/credit_card.h
index 2b2d089116f85ac4df65cc0bc02767ea7fabccc6..b792e51a761c543d8a936333bc1535c8382011da 100644
--- a/chrome/browser/autofill/credit_card.h
+++ b/chrome/browser/autofill/credit_card.h
@@ -73,6 +73,9 @@ class CreditCard : public FormGroup {
   // Returns the credit card number.
   const string16& number() const { return number_; }
 
+  // Special method to set value for HTML5 month input type.
+  void SetMonthInputInfo(const string16& value);
+
  private:
   // The month and year are zero if not present.
   int Expiration4DigitYear() const { return expiration_year_; }