Use PluginPrefs in ChromePluginServiceFilter to check whether a plugin is enabled.

content/renderer/render_view.cc

 // Copyright (c) 2011 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 "content/renderer/render_view.h"
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 #include <vector>
@@ skipping 536 matching lines @@
 }
 
 WebPlugin* RenderView::CreatePluginNoCheck(WebFrame* frame,
                                            const WebPluginParams& params) {
   webkit::npapi::WebPluginInfo info;
   bool found;
   std::string mime_type;
   Send(new ViewHostMsg_GetPluginInfo(
       routing_id_, params.url, frame->top()->document().url(),
       params.mimeType.utf8(), &found, &info, &mime_type));
-  if (!found || !webkit::npapi::IsPluginEnabled(info))
+  if (!found)
     return NULL;
 
   bool pepper_plugin_was_registered = false;
   scoped_refptr<webkit::ppapi::PluginModule> pepper_module(
       pepper_delegate_.CreatePepperPlugin(info.path,
                                           &pepper_plugin_was_registered));
   if (pepper_plugin_was_registered) {
     if (pepper_module)
       return CreatePepperPlugin(frame, params, info.path, pepper_module.get());
     return NULL;
@@ skipping 3888 matching lines @@
 }
 #endif
 
 void RenderView::OnContextMenuClosed(
     const webkit_glue::CustomContextMenuContext& custom_context) {
   if (custom_context.is_pepper_menu)
     pepper_delegate_.OnContextMenuClosed(custom_context);
   else
     context_menu_node_.reset();
 }