Started on Resource class.

src/shared/ppapi_proxy/plugin_graphics_3d.cc

 /*
  * 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.
  */
 
 #include "native_client/src/shared/ppapi_proxy/plugin_graphics_3d.h"
 
 #include <stdio.h>
 #include <string.h>
 #include "gen/native_client/src/shared/ppapi_proxy/ppb_rpc.h"
 #include "native_client/src/include/portability.h"
 #include "native_client/src/shared/ppapi_proxy/plugin_globals.h"
 #include "native_client/src/shared/ppapi_proxy/utility.h"
 #include "native_client/src/shared/srpc/nacl_srpc.h"
 #include "ppapi/c/dev/ppb_graphics_3d_dev.h"
 
 namespace ppapi_proxy {
 
 namespace {
 PP_Bool IsGraphics3D(PP_Resource resource) {
-  UNREFERENCED_PARAMETER(resource);
-  return PP_FALSE;
+  return PluginResource::GetAs<PluginGraphics3D>(resource).get()
+      ? PP_TRUE : PP_FALSE;
 }
 
 PP_Bool GetConfigs(int32_t* configs,
                 int32_t config_size,
                 int32_t* num_config) {
   UNREFERENCED_PARAMETER(configs);
   UNREFERENCED_PARAMETER(config_size);
   UNREFERENCED_PARAMETER(num_config);
   return PP_FALSE;
 }
@@ skipping 67 matching lines @@
     GetProcAddress,
     MakeCurrent,
     GetCurrentContext,
     SwapBuffers,
     GetError,
   };
   return &intf;
 }
 
 }  // namespace ppapi_proxy