Pepper: Remove Plugin::StreamAsFile.

ppapi/native_client/src/trusted/plugin/service_runtime.cc

Index: ppapi/native_client/src/trusted/plugin/service_runtime.cc
diff --git a/ppapi/native_client/src/trusted/plugin/service_runtime.cc b/ppapi/native_client/src/trusted/plugin/service_runtime.cc
index 1ccb28a13049542a327f2c8c2a91cf32ade411d2..95c2a36a9a3a8606d14d9f25f762b0dffa2b2caf 100644
--- a/ppapi/native_client/src/trusted/plugin/service_runtime.cc
+++ b/ppapi/native_client/src/trusted/plugin/service_runtime.cc
@@ -406,7 +406,10 @@ void PluginReverseInterface::OpenManifestEntry_MainThreadContinuation(
       &PluginReverseInterface::StreamAsFile_MainThreadContinuation,
       open_cont);
 
-  plugin_->StreamAsFile(mapped_url, &open_cont->pp_file_info, stream_cc);
+  GetNaClInterface()->DownloadFile(plugin_->pp_instance(),
+                                   mapped_url.c_str(),
+                                   &open_cont->pp_file_info,
+                                   stream_cc.pp_completion_callback());
   // p is deleted automatically.
 }