Implement permissions embargo for prompts which are repeatedly ignored.

chrome/browser/permissions/permission_uma_util.h

 // Copyright 2014 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.
 
 #ifndef CHROME_BROWSER_PERMISSIONS_PERMISSION_UMA_UTIL_H_
 #define CHROME_BROWSER_PERMISSIONS_PERMISSION_UMA_UTIL_H_
 
 #include <vector>
 
 #include "base/logging.h"
@@ skipping 37 matching lines @@
 
   // Always keep this at the end.
   NUM,
 };
 
 // Any new values should be inserted immediately prior to NUM.
 enum class PermissionEmbargoStatus {
   NOT_EMBARGOED = 0,
   PERMISSIONS_BLACKLISTING = 1,
   REPEATED_DISMISSALS = 2,
+  REPEATED_IGNORES = 3,
 
   // Keep this at the end.
   NUM,
 };
 
 // A bundle for the information sent in a PermissionReport.
 struct PermissionReportInfo {
   PermissionReportInfo(
       const GURL& origin,
       ContentSettingsType permission,
@@ skipping 143 matching lines @@
   // for a single origin using |prefix| for the metric.
   static void RecordPermissionPromptPriorCount(
       ContentSettingsType permission,
       const std::string& prefix,
       int count);
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(PermissionUmaUtil);
 };
 
 #endif  // CHROME_BROWSER_PERMISSIONS_PERMISSION_UMA_UTIL_H_