Update the task manager with the debug stub port chosen by nacl.

components/nacl/common/nacl_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.
 
 // Defines messages between the browser and NaCl process.
 
 // Multiply-included message file, no traditional include guard.
 #include "base/process/process.h"
 #include "components/nacl/common/nacl_types.h"
 #include "ipc/ipc_channel_handle.h"
@@ skipping 48 matching lines @@
 
 // Notify the broker that all loader processes have been terminated and it
 // should shutdown.
 IPC_MESSAGE_CONTROL0(NaClProcessMsg_StopBroker)
 
 // Used by the NaCl process to request that a Windows debug exception
 // handler be attached to it.
 IPC_SYNC_MESSAGE_CONTROL1_1(NaClProcessMsg_AttachDebugExceptionHandler,
                             std::string, /* Internal process info */
                             bool /* Result */)
+
+// Notify the browser process that the NaCl process has bound the given
+// TCP port number to use for the GDB debug stub.
+IPC_MESSAGE_CONTROL1(NaClProcessHostMsg_DebugStubPortSelected,
+                     uint16_t /* debug_stub_port */)
 #endif
 
 // Used by the NaCl process to query a database in the browser.  The database
 // contains the signatures of previously validated code chunks.
 IPC_SYNC_MESSAGE_CONTROL1_1(NaClProcessMsg_QueryKnownToValidate,
                             std::string, /* A validation signature */
                             bool /* Can validation be skipped? */)
 
 // Used by the NaCl process to add a validation signature to the validation
 // database in the browser.
 IPC_MESSAGE_CONTROL1(NaClProcessMsg_SetKnownToValidate,
                      std::string /* A validation signature */)
 
 // Used by the NaCl process to acquire trusted information about a file directly
 // from the browser, including the file's path as well as a fresh version of the
 // file handle.
 IPC_SYNC_MESSAGE_CONTROL2_2(NaClProcessMsg_ResolveFileToken,
                             uint64, /* file_token_lo */
                             uint64, /* file_token_hi */
                             IPC::PlatformFileForTransit, /* fd */
                             base::FilePath /* Path opened to get fd */)
 
 // Notify the browser process that the server side of the PPAPI channel was
 // created successfully.
 IPC_MESSAGE_CONTROL4(NaClProcessHostMsg_PpapiChannelsCreated,
                      IPC::ChannelHandle, /* browser_channel_handle */
                      IPC::ChannelHandle, /* ppapi_renderer_channel_handle */
                      IPC::ChannelHandle, /* trusted_renderer_channel_handle */
                      IPC::ChannelHandle /* manifest_service_channel_handle */)