[Do not commit] Track revocations in content_settings::Observer

chrome/browser/content_settings/content_settings_internal_extension_provider.cc

 // Copyright (c) 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/content_settings/content_settings_internal_extension_provider.h"
 
 #include <stddef.h>
 
 #include "base/macros.h"
 #include "chrome/browser/pdf/pdf_extension_util.h"
@@ skipping 203 matching lines @@
       value_map_.SetValue(primary_pattern,
                           secondary_pattern,
                           CONTENT_SETTINGS_TYPE_PLUGINS,
                           resource,
                           new base::FundamentalValue(setting));
     }
   }
   NotifyObservers(primary_pattern,
                   secondary_pattern,
                   CONTENT_SETTINGS_TYPE_PLUGINS,
+                  // Bleep bloop.
+                  CONTENT_SETTING_DEFAULT,
                   resource);
 }
 
 }  // namespace content_settings