diff --git content/browser/frame_host/render_frame_message_filter.cc content/browser/frame_host/render_frame_message_filter.cc
index 4558e89..6e9a472 100644
--- content/browser/frame_host/render_frame_message_filter.cc
+++ content/browser/frame_host/render_frame_message_filter.cc
@@ -484,7 +484,7 @@ void RenderFrameMessageFilter::GetPluginsCallback(
   PluginServiceFilter* filter = PluginServiceImpl::GetInstance()->GetFilter();
   std::vector<WebPluginInfo> plugins;
 
-  int child_process_id = -1;
+  int child_process_id = render_process_id_;
   int routing_id = MSG_ROUTING_NONE;
   GURL policy_url =
       main_frame_origin.unique() ? GURL() : GURL(main_frame_origin.Serialize());