Don't create PepperMessageFilter for renderer processes.

content/renderer/pepper/ppb_x509_certificate_private_impl.cc

-// Copyright (c) 2012 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/pepper/ppb_x509_certificate_private_impl.h"
-
-#include "content/renderer/render_thread_impl.h"
-#include "ppapi/proxy/ppapi_messages.h"
-
-namespace content {
-
-PPB_X509Certificate_Private_Impl::PPB_X509Certificate_Private_Impl(
-    PP_Instance instance) :
-  PPB_X509Certificate_Private_Shared(ppapi::OBJECT_IS_IMPL, instance) {
-}
-
-// static
-PP_Resource PPB_X509Certificate_Private_Impl::CreateResource(
-    PP_Instance instance) {
-  return (new PPB_X509Certificate_Private_Impl(instance))->GetReference();
-}
-
-bool PPB_X509Certificate_Private_Impl::ParseDER(
-    const std::vector<char>& der,
-    ppapi::PPB_X509Certificate_Fields* result) {
-  bool succeeded = false;
-  RenderThreadImpl::current()->Send(
-      new PpapiHostMsg_PPBX509Certificate_ParseDER(der, &succeeded, result));
-  return succeeded;
-}
-
-PPB_X509Certificate_Private_Impl::~PPB_X509Certificate_Private_Impl() {
-}
-
-}  // namespace content