Pass around IPC::ChannelHandles instead of raw fds in the NaCl IRT.

ppapi/nacl_irt/ppapi_dispatcher.h

 // Copyright 2014 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.
 
 #ifndef PPAPI_NACL_IRT_PPAPI_DISPATCHER_H_
 #define PPAPI_NACL_IRT_PPAPI_DISPATCHER_H_
 
 #include <stdint.h>
 
 #include <map>
 #include <set>
 #include <string>
 
 #include "base/files/file.h"
 #include "base/memory/ref_counted.h"
 #include "base/process/process_handle.h"
+#include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_listener.h"
 #include "ipc/ipc_platform_file.h"
 #include "ipc/ipc_sender.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/trusted/ppb_browser_font_trusted.h"
 #include "ppapi/proxy/connection.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/plugin_proxy_delegate.h"
 
 struct PP_BrowserFont_Trusted_Description;
@@ skipping 16 matching lines @@
 // This class manages communication between the plugin and the browser, and
 // manages the PluginDispatcher instances for communication between the plugin
 // and the renderer.
 class PpapiDispatcher : public proxy::PluginDispatcher::PluginDelegate,
                         public proxy::PluginProxyDelegate,
                         public IPC::Listener,
                         public IPC::Sender {
  public:
   PpapiDispatcher(scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
                   base::WaitableEvent* shutdown_event,
-                  int browser_ipc_fd,
-                  int renderer_ipc_fd);
+                  IPC::ChannelHandle browser_ipc_handle,
+                  IPC::ChannelHandle renderer_ipc_handle);
 
   // PluginDispatcher::PluginDelegate implementation.
   base::SingleThreadTaskRunner* GetIPCTaskRunner() override;
   base::WaitableEvent* GetShutdownEvent() override;
   IPC::PlatformFileForTransit ShareHandleWithRemote(
       base::PlatformFile handle,
       base::ProcessId peer_pid,
       bool should_close_source) override;
   base::SharedMemoryHandle ShareSharedMemoryHandleWithRemote(
       const base::SharedMemoryHandle& handle,
@@ skipping 22 matching lines @@
  private:
   void OnMsgInitializeNaClDispatcher(const PpapiNaClPluginArgs& args);
   void OnPluginDispatcherMessageReceived(const IPC::Message& msg);
 
   std::set<PP_Instance> instances_;
   std::map<uint32_t, proxy::PluginDispatcher*> plugin_dispatchers_;
   uint32_t next_plugin_dispatcher_id_;
 
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   base::WaitableEvent* shutdown_event_;
-  int renderer_ipc_fd_;
+  IPC::ChannelHandle renderer_ipc_handle_;
   std::unique_ptr<IPC::SyncChannel> channel_;
 };
 
 }  // namespace ppapi
 
 #endif  // PPAPI_NACL_IRT_PPAPI_DISPATCHER_H_