Add a regression test for the CardUnmaskPrompt.

chrome/browser/ui/autofill/card_unmask_prompt_controller.h

Index: chrome/browser/ui/autofill/card_unmask_prompt_controller.h
diff --git a/chrome/browser/ui/autofill/card_unmask_prompt_controller.h b/chrome/browser/ui/autofill/card_unmask_prompt_controller.h
index 8679e7a6a96be1346bbd0d0aff0ec4896b107f01..6c8c64d6a42f58be0f3b2d3a165a2e230455429f 100644
--- a/chrome/browser/ui/autofill/card_unmask_prompt_controller.h
+++ b/chrome/browser/ui/autofill/card_unmask_prompt_controller.h
@@ -6,6 +6,7 @@
 #define CHROME_BROWSER_UI_AUTOFILL_CARD_UNMASK_PROMPT_CONTROLLER_H_
 
 #include "base/strings/string16.h"
+#include "base/time/time.h"

[groby-ooo-7-16, 2015/03/19 23:47:56]

just forward declare TimeDelta?

[Evan Stade, 2015/03/20 00:22:42]

mildly surprised that worked. done

 
 namespace content {
 class WebContents;
@@ -32,6 +33,7 @@ class CardUnmaskPromptController {
   virtual bool InputCvcIsValid(const base::string16& input_text) const = 0;
   virtual bool InputExpirationIsValid(const base::string16& month,
                                       const base::string16& year) const = 0;
+  virtual base::TimeDelta GetSuccessMessageDuration() const = 0;
 };
 
 }  // namespace autofill