PPAPI: Make blocking completion callbacks work.

ppapi/thunk/ppb_broker_thunk.cc

 // Copyright (c) 2012 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/c/trusted/ppb_broker_trusted.h"
 #include "ppapi/c/pp_errors.h"
+#include "ppapi/shared_impl/tracked_callback.h"
 #include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/thunk.h"
 #include "ppapi/thunk/ppb_broker_api.h"
 #include "ppapi/thunk/resource_creation_api.h"
 
 namespace ppapi {
 namespace thunk {
 
 namespace {
 
 PP_Resource CreateTrusted(PP_Instance instance) {
   EnterResourceCreation enter(instance);
   if (enter.failed())
     return 0;
   return enter.functions()->CreateBroker(instance);
 }
 
 PP_Bool IsBrokerTrusted(PP_Resource resource) {
   EnterResource<PPB_Broker_API> enter(resource, false);
   return PP_FromBool(enter.succeeded());
 }
 
 int32_t Connect(PP_Resource resource,
                 PP_CompletionCallback callback) {
   EnterResource<PPB_Broker_API> enter(resource, callback, true);
   if (enter.failed())
     return enter.retval();
-  return enter.SetResult(enter.object()->Connect(callback));
+  return enter.SetResult(enter.object()->Connect(enter.callback()));
 }
 
 int32_t GetHandle(PP_Resource resource, int32_t* handle) {
   EnterResource<PPB_Broker_API> enter(resource, true);
   if (enter.failed())
     return enter.retval();
   return enter.object()->GetHandle(handle);
 }
 
 const PPB_BrokerTrusted g_ppb_broker_thunk = {
   &CreateTrusted,
   &IsBrokerTrusted,
   &Connect,
   &GetHandle,
 };
 
 }  // namespace
 
 const PPB_BrokerTrusted_0_2* GetPPB_BrokerTrusted_0_2_Thunk() {
   return &g_ppb_broker_thunk;
 }
 
 }  // namespace thunk
 }  // namespace ppapi