PPAPI: Force async callback invocation option.

ppapi/cpp/dev/transport_dev.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/cpp/dev/transport_dev.h"
 
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/cpp/instance.h"
 #include "ppapi/cpp/resource.h"
 #include "ppapi/cpp/module.h"
@@ skipping 20 matching lines @@
 
 bool Transport_Dev::IsWritable() {
   if (!has_interface<PPB_Transport_Dev>())
     return false;
   return PPBoolToBool(
       get_interface<PPB_Transport_Dev>()->IsWritable(pp_resource()));
 }
 
 int32_t Transport_Dev::Connect(const CompletionCallback& cc) {
   if (!has_interface<PPB_Transport_Dev>())
-    return PP_ERROR_NOINTERFACE;
+    return cc.MayForce(PP_ERROR_NOINTERFACE);
   return get_interface<PPB_Transport_Dev>()->Connect(
       pp_resource(), cc.pp_completion_callback());
 }
 
 int32_t Transport_Dev::GetNextAddress(Var* address,
                                       const CompletionCallback& cc) {
   if (!has_interface<PPB_Transport_Dev>())
-    return PP_ERROR_NOINTERFACE;
+    return cc.MayForce(PP_ERROR_NOINTERFACE);
   PP_Var temp_address = PP_MakeUndefined();
   int32_t ret_val = get_interface<PPB_Transport_Dev>()->GetNextAddress(
       pp_resource(), &temp_address, cc.pp_completion_callback());
   *address = Var(Var::PassRef(), temp_address);
   return ret_val;
 }
 
 int32_t Transport_Dev::ReceiveRemoteAddress(const pp::Var& address) {
   if (!has_interface<PPB_Transport_Dev>())
     return PP_ERROR_NOINTERFACE;
   return get_interface<PPB_Transport_Dev>()->ReceiveRemoteAddress(
       pp_resource(), address.pp_var());
 }
 
 int32_t Transport_Dev::Recv(void* data, uint32_t len,
                             const CompletionCallback& cc) {
   if (!has_interface<PPB_Transport_Dev>())
-    return PP_ERROR_NOINTERFACE;
+    return cc.MayForce(PP_ERROR_NOINTERFACE);
   return get_interface<PPB_Transport_Dev>()->Recv(
       pp_resource(), data, len, cc.pp_completion_callback());
 }
 
 int32_t Transport_Dev::Send(const void* data, uint32_t len,
                             const CompletionCallback& cc) {
   if (!has_interface<PPB_Transport_Dev>())
-    return PP_ERROR_NOINTERFACE;
+    return cc.MayForce(PP_ERROR_NOINTERFACE);
   return get_interface<PPB_Transport_Dev>()->Send(
       pp_resource(), data, len, cc.pp_completion_callback());
 }
 
 int32_t Transport_Dev::Close() {
   if (!has_interface<PPB_Transport_Dev>())
     return PP_ERROR_NOINTERFACE;
   return get_interface<PPB_Transport_Dev>()->Close(pp_resource());
 }
 
 }  // namespace pp