Show more different NaCl loading errors.

chrome/common/nacl_host_messages.h

 // 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.h"
@@ skipping 11 matching lines @@
 
 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_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_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_4(NaClHostMsg_LaunchNaCl,
+IPC_SYNC_MESSAGE_CONTROL1_2(NaClHostMsg_LaunchNaCl,
                             nacl::NaClLaunchParams /* launch_params */,
-                            nacl::FileDescriptor /* imc channel handle */,
-                            IPC::ChannelHandle /* ipc_channel_handle */,
-                            base::ProcessId /* plugin_pid */,
-                            int /* plugin_child_id */)
+                            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,
@@ skipping 24 matching lines @@
                      int /* Error 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 */)