Separate NaCl messages from the rest of chrome messages and create a new message filter. This is pa…

chrome/browser/nacl_host/nacl_host_messages.h

+// Copyright (c) 2013 The Chromium Authors. All rights reserved.

[jam, 2013/06/11 00:53:59]

nit: this seems like it should just be called "nacl_messages.h"

+// 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"
+#include "build/build_config.h"
+#include "chrome/common/common_param_traits.h"
+#include "chrome/common/nacl_types.h"
+#include "content/public/common/common_param_traits.h"
+#include "googleurl/src/gurl.h"
+#include "ipc/ipc_channel_handle.h"
+#include "ipc/ipc_message_macros.h"
+#include "ipc/ipc_platform_file.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_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,
+                            nacl::NaClLaunchParams /* launch_params */,
+                            nacl::FileDescriptor /* imc channel handle */,
+                            IPC::ChannelHandle /* ipc_channel_handle */,
+                            base::ProcessId /* plugin_pid */,
+                            int /* plugin_child_id */)
+
+// 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 process to display infobar
+IPC_MESSAGE_CONTROL2(NaClHostMsg_NaClErrorStatus,
+                     int /* render_view_id */,
+                     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 */)