Added UMA statistics for change passwords in the Password Manager

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 f462e31201eaed1aa233030dbe06cd429a07d22c..a65e3cbcfd5652be854af69fa7110fbee5fadec1 100644
--- a/chrome/browser/ui/passwords/manage_passwords_bubble_model.h
+++ b/chrome/browser/ui/passwords/manage_passwords_bubble_model.h
@@ -52,6 +52,10 @@ class ManagePasswordsBubbleModel : public content::WebContentsObserver {
   // Called by the view code when the "Nope" button in clicked by the user.
   void OnNopeClicked();
 
+  // Called by the view code when the "Nope" button in clicked by the user in
+  // update bubble.
+  void OnNopeUpdateClicked();
+
   // Called by the view code when the "Never for this site." button in clicked
   // by the user.
   void OnNeverForThisSiteClicked();
@@ -182,6 +186,8 @@ class ManagePasswordsBubbleModel : public content::WebContentsObserver {
   bool never_save_passwords_;
   password_manager::metrics_util::UIDisplayDisposition display_disposition_;
   password_manager::metrics_util::UIDismissalReason dismissal_reason_;
+  password_manager::metrics_util::UpdatePasswordSubmissionEvent
+      update_password_submission_event_;
 
   DISALLOW_COPY_AND_ASSIGN(ManagePasswordsBubbleModel);
 };