RFC: Add an interface for having the browser open a pnacl support file

ppapi/native_client/src/trusted/plugin/plugin.h

 // -*- c++ -*-
 // 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.
 
 // The portable representation of an instance and root scriptable object.
 // The PPAPI version of the plugin instantiates a subclass of this class.
 
 #ifndef NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PLUGIN_H_
 #define NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PLUGIN_H_
@@ skipping 44 matching lines @@
 class BrowserPpp;
 }
 
 namespace plugin {
 
 class ErrorInfo;
 class Manifest;
 class ProgressEvent;
 class ScriptablePlugin;
 
+typedef int (*GetReadonlyPnaclFdFunc)(const char* filename);
+extern GetReadonlyPnaclFdFunc get_readonly_pnacl_fd;
+
 class Plugin : public pp::InstancePrivate {
  public:
   // Factory method for creation.
   static Plugin* New(PP_Instance instance);
 
   // ----- Methods inherited from pp::Instance:
 
   // Initializes this plugin with <embed/object ...> tag attribute count |argc|,
   // names |argn| and values |argn|. Returns false on failure.
   // Gets called by the browser right after New().
@@ skipping 443 matching lines @@
   // in UpdateDownloadProgress to map a url loader back to the URL being
   // downloaded.
   const FileDownloader* FindFileDownloader(PP_Resource url_loader) const;
 
   int64_t time_of_last_progress_event_;
 };
 
 }  // namespace plugin
 
 #endif  // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PLUGIN_H_