Show a replacement plug-in for loading errors.

webkit/support/test_webplugin_page_delegate.cc

 // Copyright (c) 2010 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 "webkit/support/test_webplugin_page_delegate.h"
 
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebKit.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebKitPlatformSupport.h"
 
 namespace webkit_support {
 
 webkit::npapi::WebPluginDelegate*
 TestWebPluginPageDelegate::CreatePluginDelegate(
     const FilePath& file_path,
     const std::string& mime_type) {
   // We don't need a valid native window handle in layout tests.
   // So just passing 0.
   return webkit::npapi::WebPluginDelegateImpl::Create(
       file_path, mime_type, 0);
 }
 
+WebKit::WebPlugin* TestWebPluginPageDelegate::CreatePluginReplacement(
+    const FilePath& file_path) {
+  return NULL;
+}
+
 WebKit::WebCookieJar* TestWebPluginPageDelegate::GetCookieJar() {
   return WebKit::webKitPlatformSupport()->cookieJar();
 }
 
 }  // namespace webkit_support