Ensure that PP_Instance values are unique within a plugin process in addition...

ppapi/proxy/ppb_file_ref_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_file_ref_proxy.h"
 
 #include "ppapi/c/dev/ppb_file_ref_dev.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/private/ppb_proxy_private.h"
 #include "ppapi/proxy/host_dispatcher.h"
@@ skipping 241 matching lines @@
 void PPB_FileRef_Proxy::SerializeFileRef(PP_Resource file_ref,
                                          PPBFileRef_CreateInfo* result) {
   // We need the instance out of the resource for serializing back to the
   // plugin. This code can only run in the host.
   if (dispatcher()->IsPlugin()) {
     NOTREACHED();
     return;
   }
   HostDispatcher* host_dispatcher = static_cast<HostDispatcher*>(dispatcher());
   PP_Instance instance =
-      host_dispatcher->GetPPBProxy()->GetInstanceForResource(file_ref);
+      host_dispatcher->ppb_proxy()->GetInstanceForResource(file_ref);
 
   result->resource.SetHostResource(instance, file_ref);
   result->file_system_type =
       static_cast<int>(ppb_file_ref_target()->GetFileSystemType(file_ref));
   result->path = SerializedVarReturnValue::Convert(
       dispatcher(),
       ppb_file_ref_target()->GetPath(file_ref));
   result->name = SerializedVarReturnValue::Convert(
       dispatcher(),
       ppb_file_ref_target()->GetName(file_ref));
@@ skipping 66 matching lines @@
   int32_t result =
       ppb_file_ref_target()->Rename(file_ref.host_resource(),
                                     new_file_ref.host_resource(),
                                     callback);
   if (result != PP_ERROR_WOULDBLOCK)
     PP_RunCompletionCallback(&callback, result);
 }
 
 }  // namespace proxy
 }  // namespace pp