Broker out PPAPI handle duplication

ppapi/proxy/proxy_channel.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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/proxy_channel.h"
 
 #include "ipc/ipc_platform_file.h"
 #include "ipc/ipc_test_sink.h"
 
 namespace ppapi {
 namespace proxy {
 
-ProxyChannel::ProxyChannel(base::ProcessHandle remote_process_handle)
+ProxyChannel::ProxyChannel()
     : delegate_(NULL),
-      remote_process_handle_(remote_process_handle),
       test_sink_(NULL) {
 }
 
 ProxyChannel::~ProxyChannel() {
   DVLOG(1) << "ProxyChannel::~ProxyChannel()";
 }
 
 bool ProxyChannel::InitWithChannel(Delegate* delegate,
                                    const IPC::ChannelHandle& channel_handle,
                                    bool is_client) {
@@ skipping 18 matching lines @@
 #if defined(OS_POSIX)
 int ProxyChannel::TakeRendererFD() {
   DCHECK(channel());
   return channel()->TakeClientFileDescriptor();
 }
 #endif
 
 IPC::PlatformFileForTransit ProxyChannel::ShareHandleWithRemote(
       base::PlatformFile handle,
       bool should_close_source) {
-  return IPC::GetFileHandleForProcess(handle, remote_process_handle_,
-                                      should_close_source);
+  return delegate_->ShareHandleWithRemote(handle, *channel_,
+                                          should_close_source);
 }
 
 bool ProxyChannel::Send(IPC::Message* msg) {
   if (test_sink_)
     return test_sink_->Send(msg);
   if (channel_.get())
     return channel_->Send(msg);
 
   // Remote side crashed, drop this message.
   delete msg;
   return false;
 }
 
 }  // namespace proxy
 }  // namespace ppapi