Implemented shared memory as an NPObject.

o3d/gpu_plugin/np_utils/np_browser_mock.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_NP_UTILS_NP_BROWSER_MOCK_H_
 #define O3D_GPU_PLUGIN_NP_UTILS_NP_BROWSER_MOCK_H_
 
 #include "o3d/gpu_plugin/np_utils/np_browser_stub.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
@@ skipping 13 matching lines @@
   MockNPBrowser() {
     // Do not mock CreateObject by default but allow it to be mocked so object
     // creation can be intercepted.
     ON_CALL(*this, CreateObject(testing::_, testing::_))
       .WillByDefault(testing::Invoke(this,
                                      &MockNPBrowser::ConcreteCreateObject));
   }
 
   MOCK_METHOD2(CreateObject, NPObject*(NPP, const NPClass*));
   MOCK_METHOD1(GetWindowNPObject, NPObject*(NPP));
-  MOCK_METHOD4(MapSharedMemory, NPSharedMemory*(NPP, NPObject*, size_t, bool));
-  MOCK_METHOD2(UnmapSharedMemory, void(NPP, NPSharedMemory*));
 };
 
 }  // namespace gpu_plugin
 }  // namespace o3d
 
 #endif  // O3D_GPU_PLUGIN_NP_UTILS_NP_BROWSER_MOCK_H_