Switch BlockedPlugins away from using notifications...

chrome/common/notification_type.h

 // Copyright (c) 2010 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_COMMON_NOTIFICATION_TYPE_H_
 #define CHROME_COMMON_NOTIFICATION_TYPE_H_
 #pragma once
 
 // This file describes various types used to describe and filter notifications
 // that pass through the NotificationService.
@@ skipping 551 matching lines @@
     // register for AllSources() to receive this notification.  The details are
     // in a Details<ChildProcessInfo>.
     CHILD_INSTANCE_CREATED,
 
     // This is sent when network interception is disabled for a plugin, or the
     // plugin is unloaded.  This should only be sent/received on the browser IO
     // thread or the plugin thread. The source is the plugin that is disabling
     // interception.  No details are expected.
     CHROME_PLUGIN_UNLOADED,
 
-    // This is sent in the RenderView when previously blocked plugins on a page
-    // should be loaded. The source is the RenderView. No details are expected.
-    SHOULD_LOAD_PLUGINS,
-
     // Sent by the PluginUpdater when there is a change of plugin
     // enable/disable status.
     PLUGIN_ENABLE_STATUS_CHANGED,
 
     // This is sent when a login prompt is shown.  The source is the
     // Source<NavigationController> for the tab in which the prompt is shown.
     // Details are a LoginNotificationDetails which provide the LoginHandler
     // that should be given authentication.
     AUTH_NEEDED,
 
@@ skipping 728 matching lines @@
 };
 
 inline bool operator==(NotificationType::Type a, NotificationType b) {
   return a == b.value;
 }
 inline bool operator!=(NotificationType::Type a, NotificationType b) {
   return a != b.value;
 }
 
 #endif  // CHROME_COMMON_NOTIFICATION_TYPE_H_