Don't pass ProcessHandle through ChildProcessHostDelegate.

content/browser/renderer_host/pepper/pepper_file_io_host.cc

 // Copyright 2013 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 "content/browser/renderer_host/pepper/pepper_file_io_host.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/callback_helpers.h"
 #include "base/files/file_util_proxy.h"
@@ skipping 459 matching lines @@
 
 void PepperFileIOHost::SendOpenErrorReply(
     ppapi::host::ReplyMessageContext reply_context) {
   host()->SendReply(reply_context, PpapiPluginMsg_FileIO_OpenReply(0, 0));
 }
 
 bool PepperFileIOHost::AddFileToReplyContext(
     int32_t open_flags,
     ppapi::host::ReplyMessageContext* reply_context) const {
   base::ProcessId plugin_process_id =
-      base::GetProcId(browser_ppapi_host_->GetPluginProcessHandle());
+      base::GetProcId(browser_ppapi_host_->GetPluginProcess().Handle());
   if (plugin_process_id == base::kNullProcessId)
     plugin_process_id = resolved_render_process_id_;
 
   IPC::PlatformFileForTransit transit_file =
       BrokerGetFileHandleForProcess(file_.GetPlatformFile(), plugin_process_id,
                                     false);
   if (transit_file == IPC::InvalidPlatformFileForTransit())
     return false;
 
   ppapi::proxy::SerializedHandle file_handle;
   // A non-zero resource id signals NaClIPCAdapter to create a NaClQuotaDesc.
   PP_Resource quota_file_io = check_quota_ ? pp_resource() : 0;
   file_handle.set_file_handle(transit_file, open_flags, quota_file_io);
   reply_context->params.AppendHandle(file_handle);
   return true;
 }
 
 }  // namespace content