Fix a truncation warning in wts_session_process_delegate.cc.

remoting/host/win/wts_session_process_delegate.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.
 //
 // This file implements the Windows service controlling Me2Me host processes
 // running within user sessions.
 
 #include "remoting/host/win/wts_session_process_delegate.h"
 
 #include <utility>
@@ skipping 291 matching lines @@
   // the message ID; |context| carries process ID.
   switch (bytes_transferred) {
     case JOB_OBJECT_MSG_ACTIVE_PROCESS_ZERO: {
       caller_task_runner_->PostTask(
           FROM_HERE, base::Bind(&Core::OnActiveProcessZero, this));
       break;
     }
     case JOB_OBJECT_MSG_NEW_PROCESS: {
       caller_task_runner_->PostTask(
           FROM_HERE, base::Bind(&Core::OnProcessLaunchDetected, this,
-                                reinterpret_cast<base::ProcessId>(context)));
+                                static_cast<base::ProcessId>(
+                                    reinterpret_cast<uintptr_t>(context))));
       break;
     }
   }
 }
 
 bool WtsSessionProcessDelegate::Core::OnMessageReceived(
     const IPC::Message& message) {
   DCHECK(caller_task_runner_->BelongsToCurrentThread());
 
   return event_handler_->OnMessageReceived(message);
@@ skipping 276 matching lines @@
 
 void WtsSessionProcessDelegate::CloseChannel() {
   core_->CloseChannel();
 }
 
 void WtsSessionProcessDelegate::KillProcess() {
   core_->KillProcess();
 }
 
 }  // namespace remoting