Show a replacement plug-in for loading errors.

content/renderer/mock_content_renderer_client.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/mock_content_renderer_client.h"
 
 #include <string>
 #include "v8/include/v8.h"
 
 namespace content {
@@ skipping 19 matching lines @@
 }
 
 bool MockContentRendererClient::OverrideCreatePlugin(
     RenderView* render_view,
     WebKit::WebFrame* frame,
     const WebKit::WebPluginParams& params,
     WebKit::WebPlugin** plugin) {
   return false;
 }
 
+WebKit::WebPlugin* MockContentRendererClient::CreatePluginReplacement(
+    RenderView* render_view,
+    const FilePath& plugin_path) {
+  return NULL;
+}
+
 bool MockContentRendererClient::HasErrorPage(int http_status_code,
                                              std::string* error_domain) {
   return false;
 }
 
 webkit_media::WebMediaPlayerImpl*
 MockContentRendererClient::OverrideCreateWebMediaPlayer(
     RenderView* render_view,
     WebKit::WebFrame* frame,
     WebKit::WebMediaPlayerClient* client,
@@ skipping 80 matching lines @@
     const GURL& first_party_for_cookies,
     const std::string& value) {
   return false;
 }
 
 void MockContentRendererClient::RegisterPPAPIInterfaceFactories(
     webkit::ppapi::PpapiInterfaceFactoryManager* factory_manager) {
 }
 
 }  // namespace content