Password bubble: Add a test for displayed password length.

chrome/browser/ui/passwords/manage_passwords_bubble_model.h

Index: chrome/browser/ui/passwords/manage_passwords_bubble_model.h
diff --git a/chrome/browser/ui/passwords/manage_passwords_bubble_model.h b/chrome/browser/ui/passwords/manage_passwords_bubble_model.h
index 4268f4bcdcd1e9a4557a29773793c4aa934c8e7b..1b62723e2a7d6e13174d70e81233c1b09d3c7525 100644
--- a/chrome/browser/ui/passwords/manage_passwords_bubble_model.h
+++ b/chrome/browser/ui/passwords/manage_passwords_bubble_model.h
@@ -65,6 +65,11 @@ class ManagePasswordsBubbleModel : public content::WebContentsObserver {
   const autofill::PasswordFormMap& best_matches() { return best_matches_; }
   const base::string16& manage_link() { return manage_link_; }
 
+  // Given a password string, convert it into an appropriate number of bullet
+  // icons for display.
+  static base::string16 GetPasswordDisplayString(
+      const base::string16& password);
+
  private:
   // content::WebContentsObserver
   virtual void WebContentsDestroyed(