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

chrome/browser/profile_import_process_host.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/browser/profile_import_process_host.h"
 
 #include "app/l10n_util.h"
 #include "base/command_line.h"
 #include "base/message_loop.h"
 #include "base/string_number_conversions.h"
@@ skipping 100 matching lines @@
   Launch(no_exposed_directory, cmd_line);
 #else
   base::environment_vector env;
 
   Launch(false, env, cmd_line);
 #endif
 
   return true;
 }
 
-void ProfileImportProcessHost::OnMessageReceived(const IPC::Message& message) {
+bool ProfileImportProcessHost::OnMessageReceived(const IPC::Message& message) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   BrowserThread::PostTask(
       thread_id_, FROM_HERE,
       NewRunnableMethod(import_process_client_.get(),
                         &ImportProcessClient::OnMessageReceived,
                         message));
+  return true;
 }
 
 void ProfileImportProcessHost::OnProcessCrashed(int exit_code) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   BrowserThread::PostTask(
       thread_id_, FROM_HERE,
       NewRunnableMethod(import_process_client_.get(),
                         &ImportProcessClient::OnProcessCrashed,
                         exit_code));
 }
 
 bool ProfileImportProcessHost::CanShutdown() {
   return true;
 }
 
 ProfileImportProcessHost::ImportProcessClient::ImportProcessClient() {}
 
 ProfileImportProcessHost::ImportProcessClient::~ImportProcessClient() {}
 
-void ProfileImportProcessHost::ImportProcessClient::OnMessageReceived(
+bool ProfileImportProcessHost::ImportProcessClient::OnMessageReceived(
     const IPC::Message& message) {
+  bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(ProfileImportProcessHost, message)
     // Notification messages about the state of the import process.
     IPC_MESSAGE_HANDLER(ProfileImportProcessHostMsg_Import_Started,
                         ImportProcessClient::OnImportStart)
     IPC_MESSAGE_HANDLER(ProfileImportProcessHostMsg_Import_Finished,
                         ImportProcessClient::OnImportFinished)
     IPC_MESSAGE_HANDLER(ProfileImportProcessHostMsg_ImportItem_Started,
                         ImportProcessClient::OnImportItemStart)
     IPC_MESSAGE_HANDLER(ProfileImportProcessHostMsg_ImportItem_Finished,
                         ImportProcessClient::OnImportItemFinished)
@@ skipping 10 matching lines @@
     IPC_MESSAGE_HANDLER(ProfileImportProcessHostMsg_NotifyBookmarksImportGroup,
                         ImportProcessClient::OnBookmarksImportGroup)
     IPC_MESSAGE_HANDLER(ProfileImportProcessHostMsg_NotifyFavIconsImportStart,
                         ImportProcessClient::OnFavIconsImportStart)
     IPC_MESSAGE_HANDLER(ProfileImportProcessHostMsg_NotifyFavIconsImportGroup,
                         ImportProcessClient::OnFavIconsImportGroup)
     IPC_MESSAGE_HANDLER(ProfileImportProcessHostMsg_NotifyPasswordFormReady,
                         ImportProcessClient::OnPasswordFormImportReady)
     IPC_MESSAGE_HANDLER(ProfileImportProcessHostMsg_NotifyKeywordsReady,
                         ImportProcessClient::OnKeywordsImportReady)
+    IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP_EX()
+  return handled;
 }