Use an explicit PID for duplicating Pepper handles rather than the Channel's.

chrome/browser/nacl_host/nacl_process_host.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 "chrome/browser/nacl_host/nacl_process_host.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/path_service.h"
+#include "base/process_util.h"
 #include "base/string_number_conversions.h"
 #include "base/string_split.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "base/win/windows_version.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/extension_info_map.h"
 #include "chrome/browser/io_thread.h"
@@ skipping 627 matching lines @@
   // that the renderer can send handles to the NaCl process using
   // BrokerDuplicateHandle().
   if (RunningOnWOW64()) {
     if (!content::BrokerAddTargetPeer(process_->GetData().handle)) {
       DLOG(ERROR) << "Failed to add NaCl process PID";
       return false;
     }
   }
 #endif
 
+  const ChildProcessData& data = process_->GetData();
   ChromeViewHostMsg_LaunchNaCl::WriteReplyParams(
       reply_msg_, handles_for_renderer,
-      channel_handle, process_->GetData().id);
+      channel_handle, base::GetProcId(data.handle), data.id);
   chrome_render_message_filter_->Send(reply_msg_);
   chrome_render_message_filter_ = NULL;
   reply_msg_ = NULL;
   internal_->sockets_for_renderer.clear();
   return true;
 }
 
 // TCP port we chose for NaCl debug stub. It can be any other number.
 static const int kDebugStubPort = 4014;
 
@@ skipping 254 matching lines @@
   } else {
     NaClStartDebugExceptionHandlerThread(
         process_handle.Take(), info,
         base::MessageLoopProxy::current(),
         base::Bind(&NaClProcessHost::OnDebugExceptionHandlerLaunchedByBroker,
                    weak_factory_.GetWeakPtr()));
     return true;
   }
 }
 #endif