Make a global enum to differentiate impl & proxy.

ppapi/proxy/ppb_audio_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_audio_proxy.h"
 
 #include "base/compiler_specific.h"
 #include "base/threading/simple_thread.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/ppb_audio.h"
@@ skipping 46 matching lines @@
   // we just dish it out as requested by the plugin.
   PP_Resource config_;
 
   DISALLOW_COPY_AND_ASSIGN(Audio);
 };
 
 Audio::Audio(const HostResource& audio_id,
              PP_Resource config_id,
              PPB_Audio_Callback callback,
              void* user_data)
-    : Resource(audio_id),
+    : Resource(OBJECT_IS_PROXY, audio_id),
       config_(config_id) {
   SetCallback(callback, user_data);
   PpapiGlobals::Get()->GetResourceTracker()->AddRefResource(config_);
 }
 
 Audio::~Audio() {
   PpapiGlobals::Get()->GetResourceTracker()->ReleaseResource(config_);
 }
 
 PPB_Audio_API* Audio::AsPPB_Audio_API() {
@@ skipping 231 matching lines @@
   *foreign_shared_memory_handle = dispatcher()->ShareHandleWithRemote(
       IntToPlatformFile(shared_memory_handle), false);
   if (*foreign_shared_memory_handle == IPC::InvalidPlatformFileForTransit())
     return PP_ERROR_FAILED;
 
   return PP_OK;
 }
 
 }  // namespace proxy
 }  // namespace ppapi