NaCl: enable meta-based validation for shared libraries.

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

 // 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.
 
 #include "native_client/src/trusted/plugin/pnacl_coordinator.h"
 
 #include <utility>
 #include <vector>
 
 #include "native_client/src/include/checked_cast.h"
@@ skipping 245 matching lines @@
   return coordinator;
 }
 
 int32_t PnaclCoordinator::GetLoadedFileDesc(int32_t pp_error,
                                             const nacl::string& url,
                                             const nacl::string& component) {
   PLUGIN_PRINTF(("PnaclCoordinator::GetLoadedFileDesc (pp_error=%"
                  NACL_PRId32", url=%s, component=%s)\n", pp_error,
                  url.c_str(), component.c_str()));
   ErrorInfo error_info;
-  int32_t file_desc_ok_to_close = plugin_->GetPOSIXFileDesc(url);
-  if (pp_error != PP_OK || file_desc_ok_to_close == NACL_NO_FILE_DESC) {
+  struct NaClFileInfo info = plugin_->GetFileInfo(url);
+  if (pp_error != PP_OK || info.desc == NACL_NO_FILE_DESC) {
     if (pp_error == PP_ERROR_ABORTED) {
       plugin_->ReportLoadAbort();
     } else {
       ReportPpapiError(ERROR_PNACL_RESOURCE_FETCH,
                        pp_error,
                        component + " load failed.");
     }
     return NACL_NO_FILE_DESC;
   }
-  return file_desc_ok_to_close;
+  return info.desc;
 }
 
 PnaclCoordinator::PnaclCoordinator(
     Plugin* plugin,
     const nacl::string& pexe_url,
     const PnaclOptions& pnacl_options,
     const pp::CompletionCallback& translate_notify_callback)
   : translate_finish_error_(PP_OK),
     plugin_(plugin),
     translate_notify_callback_(translate_notify_callback),
@@ skipping 649 matching lines @@
                                   obj_file_.get(),
                                   temp_nexe_file_.get(),
                                   &error_info_,
                                   resources_.get(),
                                   &pnacl_options_,
                                   this,
                                   plugin_);
 }
 
 }  // namespace plugin