Add RequestOSFileHandle as a private PPAPI

content/renderer/pepper/pepper_file_io_host.h

Index: content/renderer/pepper/pepper_file_io_host.h
diff --git a/content/renderer/pepper/pepper_file_io_host.h b/content/renderer/pepper/pepper_file_io_host.h
index b66cb6f7f4f316508a8a1ea7bb758594085c606b..4ebf81bc1578a2131c8149fc613cf3a40ef62e22 100644
--- a/content/renderer/pepper/pepper_file_io_host.h
+++ b/content/renderer/pepper/pepper_file_io_host.h
@@ -5,6 +5,7 @@
 #ifndef CONTENT_RENDERER_PEPPER_PEPPER_FILE_IO_HOST_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_FILE_IO_HOST_H_
 
+#include <set>
 #include <string>
 
 #include "base/basictypes.h"
@@ -94,6 +95,8 @@ class PepperFileIOHost : public ppapi::host::ResourceHost,
                                         base::PlatformFileError error_code,
                                         int bytes_written);
 
+  bool IsGetOSFileDescriptorAllowed() const;
+
   // TODO(victorhsieh): eliminate plugin_delegate_ as it's no longer needed.
   webkit::ppapi::PluginDelegate* plugin_delegate_;  // Not owned.
 
@@ -120,10 +123,12 @@ class PepperFileIOHost : public ppapi::host::ResourceHost,
 
   ppapi::FileIOStateManager state_manager_;
 
+  // The whitelist for GetOSFileHandle specified by commandline.
+  std::set<std::string> allowed_hosts_;
+
   DISALLOW_COPY_AND_ASSIGN(PepperFileIOHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_FILE_IO_HOST_H_
-