Connect PPAPI IPC channels for non-SFI mode.

ppapi/native_client/src/shared/ppapi_proxy/ppruntime.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 NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PPRUNTIME_H_
 #define NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PPRUNTIME_H_
 
+#if defined(__native_client__)
 #include "native_client/src/include/portability.h"
+#endif
 #include "ppapi/nacl_irt/irt_ppapi.h"
 
-EXTERN_C_BEGIN
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 // The entry point for the main thread of the PPAPI plugin process.
 int PpapiPluginMain(void);
 
 void PpapiPluginRegisterThreadCreator(
     const struct PP_ThreadFunctions* new_funcs);
 
-EXTERN_C_END
+#ifdef __cplusplus
+}
+#endif
+
+#if !defined(__native_client__)
+// For non-SFI mode, we expose two more functions, assuming this is compiled
+// with c++ compiler.
+
+namespace ppapi {
+namespace proxy {
+
+// Overwrites the IPC channels for the browser and the renderer by the given
+// FD #s.
+void SetIPCFileDescriptors(int browser_ipc_fd, int renderer_ipc_fd);
+
+// Waits for the initialization of the dispatchers for the PPAPI IPC channels.
+void WaitForPpapiStartEvent();
+
+}  // namespace proxy
+}  // namespace ppapi
+
+#endif
+
 
 #endif  // NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PPRUNTIME_H_