Make PasswordFormManager::best_matches_ const

chrome/browser/ui/passwords/manage_passwords_bubble_model.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/passwords/manage_passwords_bubble_model.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <limits>
@@ skipping 198 matching lines @@
   password_manager::InteractionsStats interaction_stats;
   if (state_ == password_manager::ui::PENDING_PASSWORD_STATE ||
       state_ == password_manager::ui::PENDING_PASSWORD_UPDATE_STATE) {
     pending_password_ = delegate_->GetPendingPassword();
     if (state_ == password_manager::ui::PENDING_PASSWORD_UPDATE_STATE) {
       local_credentials_ = DeepCopyForms(delegate_->GetCurrentForms());
       password_overridden_ = delegate_->IsPasswordOverridden();
     } else {
       interaction_stats.origin_domain = origin_.GetOrigin();
       interaction_stats.username_value = pending_password_.username_value;
-      password_manager::InteractionsStats* stats =
+      const password_manager::InteractionsStats* stats =
           delegate_->GetCurrentInteractionStats();
       if (stats) {
         DCHECK_EQ(interaction_stats.username_value, stats->username_value);
         DCHECK_EQ(interaction_stats.origin_domain, stats->origin_domain);
         interaction_stats.dismissal_count = stats->dismissal_count;
       }
     }
     UpdatePendingStateTitle();
   } else if (state_ == password_manager::ui::CONFIRMATION_STATE) {
     title_ =
@@ skipping 271 matching lines @@
     return metrics_util::NO_UPDATE_SUBMISSION;
   }
   if (state_ != password_manager::ui::PENDING_PASSWORD_UPDATE_STATE)
     return metrics_util::NO_UPDATE_SUBMISSION;
   if (password_overridden_)
     return update_events[3][behavior];
   if (ShouldShowMultipleAccountUpdateUI())
     return update_events[2][behavior];
   return update_events[1][behavior];
 }