Make IPC::Channel::Listener:OnMessageReceived have a return value indicating ...

chrome/nacl/broker_thread.cc

 // Copyright (c) 2010 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.
 
 #include "chrome/nacl/broker_thread.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
@@ skipping 10 matching lines @@
 }
 
 NaClBrokerThread::~NaClBrokerThread() {
   base::CloseProcessHandle(browser_handle_);
 }
 
 NaClBrokerThread* NaClBrokerThread::current() {
   return static_cast<NaClBrokerThread*>(ChildThread::current());
 }
 
-void NaClBrokerThread::OnControlMessageReceived(const IPC::Message& msg) {
+bool NaClBrokerThread::OnControlMessageReceived(const IPC::Message& msg) {
+  bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(NaClBrokerThread, msg)
     IPC_MESSAGE_HANDLER(NaClProcessMsg_LaunchLoaderThroughBroker,
                         OnLaunchLoaderThroughBroker)
     IPC_MESSAGE_HANDLER(NaClProcessMsg_StopBroker, OnStopBroker)
+    IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
+  return handled;
 }
 
 void NaClBrokerThread::OnLaunchLoaderThroughBroker(
     const std::wstring& loader_channel_id) {
   base::ProcessHandle loader_process = 0;
   base::ProcessHandle loader_handle_in_browser = 0;
 
   // Create the path to the nacl broker/loader executable - it's the executable
   // this code is running in.
   FilePath exe_path;
@@ skipping 23 matching lines @@
 void NaClBrokerThread::OnStopBroker() {
   ChildProcess::current()->ReleaseProcess();
 }
 
 void NaClBrokerThread::OnChannelConnected(int32 peer_pid) {
   bool res = base::OpenProcessHandle(peer_pid, &browser_handle_);
   DCHECK(res);
   ChildProcess::current()->AddRefProcess();
 }