Cloning a bunch of stuff from the native_client repository at r6528

ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb_buffer.h

Index: ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb_buffer.h
===================================================================
--- ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb_buffer.h	(revision 0)
+++ ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb_buffer.h	(revision 0)
@@ -0,0 +1,26 @@
+// Copyright 2010 The Native Client 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_PLUGIN_BUFFER_H_
+#define NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PLUGIN_BUFFER_H_
+
+#include "native_client/src/include/nacl_macros.h"
+#include "native_client/src/shared/ppapi_proxy/plugin_resource.h"
+#include "ppapi/c/dev/ppb_buffer_dev.h"
+
+namespace ppapi_proxy {
+
+// Implements the untrusted side of the PPB_Buffer interface.
+class PluginBuffer : public PluginResource {
+ public:
+  static const PPB_Buffer_Dev* GetInterface();
+
+ private:
+  IMPLEMENT_RESOURCE(PluginBuffer);
+  NACL_DISALLOW_COPY_AND_ASSIGN(PluginBuffer);
+};
+
+}  // namespace ppapi_proxy
+
+#endif  // NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PLUGIN_BUFFER_H_