expose bitmap in js.

core/win/d3d9/texture_d3d9.h

 /*
  * Copyright 2009, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 92 matching lines @@
                 bool enable_render_surfaces);
 
   // Updates a mip level, sending it from the backing bitmap to Direct3D,
   // rescaling it if resize_to_pot_ is set.
   bool UpdateBackedMipLevel(unsigned int level);
 
   // A pointer to the Direct3D 2D texture object containing this texture.
   CComPtr<IDirect3DTexture9> d3d_texture_;
 
   // A bitmap used to back the NPOT textures on POT-only hardware.
-  Bitmap backing_bitmap_;
+  Bitmap::Ref backing_bitmap_;
 
   DISALLOW_COPY_AND_ASSIGN(Texture2DD3D9);
 };
 
 // TextureCUBED3D9 implements the TextureCUBE interface with DX9.
 class TextureCUBED3D9 : public TextureCUBE {
  public:
   typedef SmartPointer<TextureCUBED3D9> Ref;
 
   // Creates a new TextureCUBED3D9 with the given specs.  If the D3D9 texture
@@ skipping 47 matching lines @@
                   bool enable_render_surfaces);
 
   // Updates a mip level, sending it from the backing bitmap to Direct3D,
   // rescaling it if resize_to_pot_ is set.
   bool UpdateBackedMipLevel(unsigned int level, CubeFace face);
 
   // A pointer to the Direct3D cube texture object containing this texture.
   CComPtr<IDirect3DCubeTexture9> d3d_cube_texture_;
 
   // A bitmap used to back the NPOT textures on POT-only hardware.
-  Bitmap backing_bitmap_;
+  Bitmap::Ref backing_bitmap_;
 
   DISALLOW_COPY_AND_ASSIGN(TextureCUBED3D9);
 };
 
 }  // namespace o3d
 
 #endif  // O3D_CORE_WIN_D3D9_TEXTURE_D3D9_H__