Update comments on pressing Esc on PlatformVerificationDialog

chrome/browser/media/protected_media_identifier_permission_context.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/media/protected_media_identifier_permission_context.h"
 
 #include "base/command_line.h"
 #include "base/strings/stringprintf.h"
 #include "build/build_config.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
@@ skipping 188 matching lines @@
   if (request == pending_requests_.end())
     return;
 
   DCHECK(request->second.second == id);
   pending_requests_.erase(request);
 
   ContentSetting content_setting = CONTENT_SETTING_ASK;
   bool persist = false; // Whether the ContentSetting should be saved.
   switch (response) {
     case PlatformVerificationDialog::CONSENT_RESPONSE_NONE:
+      VLOG(1) << "Platform verification dismissed by user.";
       content_setting = CONTENT_SETTING_ASK;
       persist = false;
       break;
     case PlatformVerificationDialog::CONSENT_RESPONSE_ALLOW:
       VLOG(1) << "Platform verification accepted by user.";
       content::RecordAction(
           base::UserMetricsAction("PlatformVerificationAccepted"));
       content_setting = CONTENT_SETTING_ALLOW;
       persist = true;
       break;
     case PlatformVerificationDialog::CONSENT_RESPONSE_DENY:
       VLOG(1) << "Platform verification denied by user.";
       content::RecordAction(
           base::UserMetricsAction("PlatformVerificationRejected"));
       content_setting = CONTENT_SETTING_BLOCK;
       persist = true;
       break;
   }
 
   NotifyPermissionSet(
       id, requesting_origin, embedding_origin, callback,
       persist, content_setting);
 }
 #endif