Add the "virtual" keyword on method overrides that are missing it.

webkit/glue/plugins/pepper_url_loader.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/glue/plugins/pepper_url_loader.h"
 
 #include "base/logging.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/ppb_url_loader.h"
@@ skipping 196 matching lines @@
 // static
 const PPB_URLLoader* URLLoader::GetInterface() {
   return &ppb_urlloader;
 }
 
 // static
 const PPB_URLLoaderTrusted* URLLoader::GetTrustedInterface() {
   return &ppb_urlloadertrusted;
 }
 
+URLLoader* URLLoader::AsURLLoader() {
+  return this;
+}
+
 int32_t URLLoader::Open(URLRequestInfo* request,
                         PP_CompletionCallback callback) {
   if (loader_.get())
     return PP_ERROR_INPROGRESS;
 
   // We only support non-blocking calls.
   if (!callback.func)
     return PP_ERROR_BADARGUMENT;
 
   WebFrame* frame = GetFrame(instance_);
@@ skipping 296 matching lines @@
 
 bool URLLoader::RecordDownloadProgress() const {
   return request_info_ && request_info_->record_download_progress();
 }
 
 bool URLLoader::RecordUploadProgress() const {
   return request_info_ && request_info_->record_upload_progress();
 }
 
 }  // namespace pepper