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

content/renderer/render_view.cc

Index: content/renderer/render_view.cc
diff --git a/content/renderer/render_view.cc b/content/renderer/render_view.cc
index 7e0b8062873b38cb2ed2735827003e173540e1c6..cb13d435a52ca55be1e944ffc8a6b6aca03cccd2 100644
--- a/content/renderer/render_view.cc
+++ b/content/renderer/render_view.cc
@@ -554,7 +554,7 @@ WebPlugin* RenderView::CreatePluginNoCheck(WebFrame* frame,
   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;