Revert of Remove webkit's ResourceLoaderBridge interface.

content/child/npapi/plugin_url_fetcher.h

Index: content/child/npapi/plugin_url_fetcher.h
diff --git a/content/child/npapi/plugin_url_fetcher.h b/content/child/npapi/plugin_url_fetcher.h
index b3cbad2a60635488117ffcd75156677fa3ba6530..bffb9af37e2967ccc1787151935509ea4ecfd763 100644
--- a/content/child/npapi/plugin_url_fetcher.h
+++ b/content/child/npapi/plugin_url_fetcher.h
@@ -13,6 +13,7 @@
 
 namespace webkit_glue {
 class MultipartResponseDelegate;
+class ResourceLoaderBridge;
 }
 
 namespace content {
@@ -88,9 +89,10 @@
   bool copy_stream_data_;
   int64 data_offset_;
   bool pending_failure_notification_;
-  int request_id_;
 
   scoped_ptr<webkit_glue::MultipartResponseDelegate> multipart_delegate_;
+
+  scoped_ptr<webkit_glue::ResourceLoaderBridge> bridge_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginURLFetcher);
 };