Enable mmap and identity-based validation caching on pnacl-{llc,ld}.nexe

components/nacl/browser/nacl_file_host.h

 // 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.
 
 #ifndef COMPONENTS_NACL_BROWSER_NACL_FILE_HOST_H_
 #define COMPONENTS_NACL_BROWSER_NACL_FILE_HOST_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 10 matching lines @@
 
 namespace nacl {
 class NaClHostMessageFilter;
 }
 
 // Opens NaCl Files in the Browser process, on behalf of the NaCl plugin.
 
 namespace nacl_file_host {
 
 // Open a PNaCl file (readonly) on behalf of the NaCl plugin.
+// If it is executable, registers the executable for validation caching.
+// Otherwise, just opens the file read-only.
 void GetReadonlyPnaclFd(
     scoped_refptr<nacl::NaClHostMessageFilter> nacl_host_message_filter,
     const std::string& filename,
+    bool is_executable,
     IPC::Message* reply_msg);
 
 // Return true if the filename requested is valid for opening.
 // Sets file_to_open to the base::FilePath which we will attempt to open.
 bool PnaclCanOpenFile(const std::string& filename,
                       base::FilePath* file_to_open);
 
 // Opens a NaCl executable file for reading and executing.
 void OpenNaClExecutable(
     scoped_refptr<nacl::NaClHostMessageFilter> nacl_host_message_filter,
     int render_view_id,
     const GURL& file_url,
     IPC::Message* reply_msg);
 
 }  // namespace nacl_file_host
 
 #endif  // COMPONENTS_NACL_BROWSER_NACL_FILE_HOST_H_