Add a feature which, when enabled, blocks permissions after X prompt dismissals.

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 96 matching lines @@
   // Note that for coalesced permission bubbles, PermissionPromptAccepted will
   // always be called, with |accept_states| containing whether each request was
   // accepted or denied.
   static void PermissionPromptAccepted(
       const std::vector<PermissionRequest*>& requests,
       const std::vector<bool>& accept_states);
 
   static void PermissionPromptDenied(
       const std::vector<PermissionRequest*>& requests);
 
+  // Records a count of the number of times an origin has had a |permission|
+  // prompt dismissed prior to a current dismissal.
+  static void PermissionPromptDismissCount(content::PermissionType permission,
+                                           int count);
+
  private:
   friend class PermissionUmaUtilTest;
 
   static bool IsOptedIntoPermissionActionReporting(Profile* profile);
 
   static void RecordPermissionAction(content::PermissionType permission,
                                      PermissionAction action,
                                      PermissionSourceUI source_ui,
                                      PermissionRequestGestureType gesture_type,
                                      const GURL& requesting_origin,
                                      Profile* profile);
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(PermissionUmaUtil);
 };
 
 #endif  // CHROME_BROWSER_PERMISSIONS_PERMISSION_UMA_UTIL_H_