Show a replacement plug-in for loading errors.

chrome/renderer/chrome_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 "chrome/renderer/chrome_content_renderer_client.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 277 matching lines @@
   std::string actual_mime_type;
   render_view->Send(new ChromeViewHostMsg_GetPluginInfo(
       render_view->GetRoutingID(), GURL(params.url),
       frame->top()->document().url(), params.mimeType.utf8(),
       &status, &plugin_info, &actual_mime_type));
   *plugin = CreatePlugin(render_view, frame, params,
                          status, plugin_info, actual_mime_type);
   return true;
 }
 
+WebPlugin* ChromeContentRendererClient::CreatePluginReplacement(
+    content::RenderView* render_view,
+    const FilePath& plugin_path) {
+  PluginPlaceholder* placeholder =
+      PluginPlaceholder::CreateErrorPlugin(render_view, plugin_path);
+  return placeholder->plugin();
+}
+
 webkit_media::WebMediaPlayerImpl*
 ChromeContentRendererClient::OverrideCreateWebMediaPlayer(
     content::RenderView* render_view,
     WebKit::WebFrame* frame,
     WebKit::WebMediaPlayerClient* client,
     base::WeakPtr<webkit_media::WebMediaPlayerDelegate> delegate,
     media::FilterCollection* collection,
     WebKit::WebAudioSourceProvider* audio_source_provider,
     media::MessageLoopFactory* message_loop_factory,
     webkit_media::MediaStreamClient* media_stream_client,
@@ skipping 565 matching lines @@
 bool ChromeContentRendererClient::IsOtherExtensionWithWebRequestInstalled() {
   return extension_dispatcher_->IsOtherExtensionWithWebRequestInstalled();
 }
 
 void ChromeContentRendererClient::RegisterPPAPIInterfaceFactories(
     webkit::ppapi::PpapiInterfaceFactoryManager* factory_manager) {
   factory_manager->RegisterFactory(ChromePPAPIInterfaceFactory);
 }
 
 }  // namespace chrome