Make a global enum to differentiate impl & proxy.

ppapi/shared_impl/ppb_video_decoder_shared.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/shared_impl/ppb_video_decoder_shared.h"
 
 #include "base/logging.h"
 #include "gpu/command_buffer/client/gles2_implementation.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/shared_impl/resource_tracker.h"
 #include "ppapi/thunk/enter.h"
 
 namespace ppapi {
 
 PPB_VideoDecoder_Shared::PPB_VideoDecoder_Shared(PP_Instance instance)
-    : Resource(instance),
+    : Resource(OBJECT_IS_IMPL, instance),
       graphics_context_(0),
       gles2_impl_(NULL) {
 }
 
 PPB_VideoDecoder_Shared::PPB_VideoDecoder_Shared(
     const HostResource& host_resource)
-    : Resource(host_resource),
+    : Resource(OBJECT_IS_PROXY, host_resource),
       graphics_context_(0),
       gles2_impl_(NULL) {
 }
 
 PPB_VideoDecoder_Shared::~PPB_VideoDecoder_Shared() {
 }
 
 thunk::PPB_VideoDecoder_API* PPB_VideoDecoder_Shared::AsPPB_VideoDecoder_API() {
   return this;
 }
@@ skipping 55 matching lines @@
   bitstream_buffer_callbacks_.erase(it);
   cc->Run(PP_OK);
 }
 
 void PPB_VideoDecoder_Shared::FlushCommandBuffer() {
   if (gles2_impl_)
     gles2_impl_->Flush();
 }
 
 }  // namespace ppapi