PPAPI: Get TrackedCallback ready for running on non-main threads.

ppapi/proxy/ppb_broker_proxy.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/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 90 matching lines @@
     // and then close them. This failure case is not performance critical.
     base::SyncSocket temp_socket(
         IPC::PlatformFileForTransitToPlatformFile(socket_handle));
   }
 
   if (!TrackedCallback::IsPending(current_connect_callback_)) {
     // The handle might leak if the plugin never calls GetHandle().
     return;
   }
 
-  TrackedCallback::ClearAndRun(&current_connect_callback_, result);
+  current_connect_callback_->Run(result);
 }
 
 PPB_Broker_Proxy::PPB_Broker_Proxy(Dispatcher* dispatcher)
     : InterfaceProxy(dispatcher),
       callback_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)){
 }
 
 PPB_Broker_Proxy::~PPB_Broker_Proxy() {
 }
 
@@ skipping 100 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