Convert ppapi/shared to use TrackedCallback.

ppapi/proxy/ppb_graphics_3d_proxy.cc

 // Copyright (c) 2011 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.
 
 #include "ppapi/proxy/ppb_graphics_3d_proxy.h"
 
 #include "gpu/command_buffer/client/gles2_implementation.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/proxy/enter_proxy.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
@@ skipping 271 matching lines @@
   state.put_offset = s.put_offset;
   state.token = s.token;
   state.error = static_cast<gpu::error::Error>(s.error);
   state.generation = s.generation;
   return state;
 }
 
 }  // namespace
 
 Graphics3D::Graphics3D(const HostResource& resource)
-    : Resource(resource) {
+    : PPB_Graphics3D_Shared(resource) {
 }
 
 Graphics3D::~Graphics3D() {
   DestroyGLES2Impl();
 }
 
 bool Graphics3D::Init() {
   PluginDispatcher* dispatcher = PluginDispatcher::GetForResource(this);
   if (!dispatcher)
     return false;
@@ skipping 251 matching lines @@
 void PPB_Graphics3D_Proxy::SendSwapBuffersACKToPlugin(
     int32_t result,
     const HostResource& context) {
   dispatcher()->Send(new PpapiMsg_PPBGraphics3D_SwapBuffersACK(
       API_ID_PPB_GRAPHICS_3D, context, result));
 }
 
 }  // namespace proxy
 }  // namespace ppapi