Implemented shared memory as an NPObject.

o3d/gpu_plugin/system_services/shared_memory_mock.h

Index: o3d/gpu_plugin/system_services/shared_memory_mock.h
===================================================================
--- o3d/gpu_plugin/system_services/shared_memory_mock.h	(revision 0)
+++ o3d/gpu_plugin/system_services/shared_memory_mock.h	(revision 0)
@@ -0,0 +1,30 @@
+// 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_MOCK_H_
+#define O3D_GPU_PLUGIN_SYSTEM_SERVICES_SHARED_MEMORY_MOCK_H_
+
+#include "o3d/gpu_plugin/system_services/shared_memory.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace o3d {
+namespace gpu_plugin {
+
+class MockSharedMemory : public SharedMemory {
+ public:
+  explicit MockSharedMemory(NPP npp) : SharedMemory(npp) {
+  }
+
+  MOCK_METHOD1(Initialize, bool(int32));
+  MOCK_METHOD0(GetSize, int32());
+  MOCK_METHOD0(Map, bool());
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MockSharedMemory);
+};
+
+}  // namespace gpu_plugin
+}  // namespace o3d
+
+#endif  // O3D_GPU_PLUGIN_SYSTEM_SERVICES_SHARED_MEMORY_MOCK_H_