Make a global enum to differentiate impl & proxy.

ppapi/proxy/ppb_broker_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_broker_proxy.h"
 
 #include "base/bind.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/trusted/ppb_broker_trusted.h"
 #include "ppapi/proxy/enter_proxy.h"
@@ skipping 36 matching lines @@
   // The plugin module owns the handle.
   // The host side transfers ownership of the handle to the plugin side when it
   // sends the IPC. This member holds the handle value for the plugin module
   // to read, but the plugin side of the proxy never takes ownership.
   base::SyncSocket::Handle socket_handle_;
 
   DISALLOW_COPY_AND_ASSIGN(Broker);
 };
 
 Broker::Broker(const HostResource& resource)
-    : Resource(resource),
+    : Resource(OBJECT_IS_PROXY, resource),
       called_connect_(false),
       socket_handle_(base::kInvalidPlatformFileValue) {
 }
 
 Broker::~Broker() {
   socket_handle_ = base::kInvalidPlatformFileValue;
 }
 
 PPB_Broker_API* Broker::AsPPB_Broker_API() {
   return this;
@@ skipping 158 matching lines @@
       // The easiest way to clean it up is to just put it in an object
       // and then close it. This failure case is not performance critical.
       // The handle could still leak if Send succeeded but the IPC later failed.
       base::SyncSocket temp_socket(
           IPC::PlatformFileForTransitToPlatformFile(foreign_socket_handle));
   }
 }
 
 }  // namespace proxy
 }  // namespace ppapi