Implemented shared memory as an NPObject.

o3d/gpu_plugin/system_services/shared_memory_public.h

+// Copyright (c) 2006-2008 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 O3D_GPU_PLUGIN_SYSTEM_SERVICES_SHARED_MEMORY_PUBLIC_H_
+#define O3D_GPU_PLUGIN_SYSTEM_SERVICES_SHARED_MEMORY_PUBLIC_H_
+
+// Mapped memory range. Size is zero and pointer is null until object is
+// mapped. Each process needs to separately map the object. It is safe to
+// map an already mapped object.
+
+#include "third_party/npapi/bindings/npruntime.h"
+
+#if defined(__cplusplus)
+
+struct CHRSharedMemory : NPObject {
+  size_t size;
+  void* ptr;
+  void* handle;
+};
+
+#else
+
+typedef struct _CHRShareddMemory  {

[Ken Russell (Google), 2009/09/09 01:32:54]

Typo: _CHRShareddMemory -> _CHRSharedMemory

+  NPObject object;
+  size_t size;
+  void* ptr;
+  void* handle;
+} CHRSharedMemory;
+
+#endif
+
+#endif  // O3D_GPU_PLUGIN_SYSTEM_SERVICES_SHARED_MEMORY_PUBLIC_H_