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..6f3ab97764f3a5cb2f443e1693fdf3b692ce3df8 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"
@@ -58,6 +59,9 @@ class PepperFileIOHost : public ppapi::host::ResourceHost,
                              int64_t length);
   int32_t OnHostMsgClose(ppapi::host::HostMessageContext* context);
   int32_t OnHostMsgFlush(ppapi::host::HostMessageContext* context);
+  // Private API.
+  int32_t OnHostMsgRequestOSFileHandle(
+      ppapi::host::HostMessageContext* context);
   // Trusted API.
   int32_t OnHostMsgGetOSFileDescriptor(
       ppapi::host::HostMessageContext* context);
@@ -126,4 +130,3 @@ class PepperFileIOHost : public ppapi::host::ResourceHost,
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_FILE_IO_HOST_H_
-