text: // 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.
  
  // Multiply-included file, no traditional include guard.
  
  #include <string>
  
  #include "base/basictypes.h"
  #include "base/process/process.h"
  #include "build/build_config.h"
  #include "components/nacl/common/nacl_types.h"
  #include "components/nacl/common/pnacl_types.h"
  #include "content/public/common/common_param_traits.h"
  #include "ipc/ipc_channel_handle.h"
  #include "ipc/ipc_message_macros.h"
  #include "ipc/ipc_platform_file.h"
  #include "url/gurl.h"
  
  #define IPC_MESSAGE_START NaClHostMsgStart
  
  IPC_STRUCT_TRAITS_BEGIN(nacl::NaClLaunchParams)
    IPC_STRUCT_TRAITS_MEMBER(manifest_url)
    IPC_STRUCT_TRAITS_MEMBER(render_view_id)
    IPC_STRUCT_TRAITS_MEMBER(permission_bits)
    IPC_STRUCT_TRAITS_MEMBER(uses_irt)
    IPC_STRUCT_TRAITS_MEMBER(enable_dyncode_syscalls)
    IPC_STRUCT_TRAITS_MEMBER(enable_exception_handling)
    IPC_STRUCT_TRAITS_MEMBER(enable_crash_throttling)
  IPC_STRUCT_TRAITS_END()
  
  IPC_STRUCT_TRAITS_BEGIN(nacl::NaClLaunchResult)
    IPC_STRUCT_TRAITS_MEMBER(imc_channel_handle)
    IPC_STRUCT_TRAITS_MEMBER(ipc_channel_handle)
    IPC_STRUCT_TRAITS_MEMBER(plugin_pid)
    IPC_STRUCT_TRAITS_MEMBER(plugin_child_id)
  IPC_STRUCT_TRAITS_END()
  
  IPC_STRUCT_TRAITS_BEGIN(nacl::PnaclCacheInfo)
    IPC_STRUCT_TRAITS_MEMBER(pexe_url)
    IPC_STRUCT_TRAITS_MEMBER(abi_version)
    IPC_STRUCT_TRAITS_MEMBER(opt_level)
    IPC_STRUCT_TRAITS_MEMBER(last_modified)
    IPC_STRUCT_TRAITS_MEMBER(etag)
    IPC_STRUCT_TRAITS_MEMBER(has_no_store_header)
    IPC_STRUCT_TRAITS_MEMBER(sandbox_isa)
    IPC_STRUCT_TRAITS_MEMBER(extra_flags)
  IPC_STRUCT_TRAITS_END()
  
  // A renderer sends this to the browser process when it wants to start
  // a new instance of the Native Client process. The browser will launch
  // the process and return an IPC channel handle. This handle will only
  // be valid if the NaCl IPC proxy is enabled.
  IPC_SYNC_MESSAGE_CONTROL1_2(NaClHostMsg_LaunchNaCl,
                              nacl::NaClLaunchParams /* launch_params */,
                              nacl::NaClLaunchResult /* launch_result */,
                              std::string /* error_message */)
  
  // A renderer sends this to the browser process when it wants to
  // open a file for from the Pnacl component directory.
  IPC_SYNC_MESSAGE_CONTROL1_1(NaClHostMsg_GetReadonlyPnaclFD,
                              std::string /* name of requested PNaCl file */,
                              IPC::PlatformFileForTransit /* output file */)
  
  // A renderer sends this to the browser process when it wants to
  // create a temporary file.
  IPC_SYNC_MESSAGE_CONTROL0_1(NaClHostMsg_NaClCreateTemporaryFile,
                              IPC::PlatformFileForTransit /* out file */)
  
  // A renderer sends this to the browser to request a file descriptor for
  // a translated nexe.
  IPC_MESSAGE_CONTROL3(NaClHostMsg_NexeTempFileRequest,
                       int /* render_view_id */,
                       int /* instance */,
                       nacl::PnaclCacheInfo /* cache info */)
  
  // The browser replies to a renderer's temp file request with output_file,
  // which is either a writeable temp file to use for translation, or a
  // read-only file containing the translated nexe from the cache.
  IPC_MESSAGE_CONTROL3(NaClViewMsg_NexeTempFileReply,
                       int /* instance */,
                       bool /* is_cache_hit */,
                       IPC::PlatformFileForTransit /* output file */)
  
  // A renderer sends this to the browser to report that its translation has
  // finished and its temp file contains the translated nexe.
  IPC_MESSAGE_CONTROL2(NaClHostMsg_ReportTranslationFinished,
                       int /* instance */,
                       bool /* success */)
  
  // A renderer sends this to the browser process to report when the client
  // architecture is not listed in the manifest.
  IPC_MESSAGE_CONTROL1(NaClHostMsg_MissingArchError,
                       int /* render_view_id */)
  
  // A renderer sends this to the browser process when it wants to
  // open a NaCl executable file from an installed application directory.
  IPC_SYNC_MESSAGE_CONTROL2_3(NaClHostMsg_OpenNaClExecutable,
                              int /* render_view_id */,
                              GURL /* URL of NaCl executable file */,
                              IPC::PlatformFileForTransit /* output file */,
                              uint64 /* file_token_lo */,
                              uint64 /* file_token_hi */)
  
  IPC_SYNC_MESSAGE_CONTROL0_1(NaClHostMsg_NaClGetNumProcessors,
                              int /* Number of processors */)
  