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

chrome/ppapi_plugin/ppapi_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/ppapi_plugin/ppapi_thread.h"
 
 #include "base/process_util.h"
 #include "chrome/common/child_process.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_sync_channel.h"
@@ skipping 17 matching lines @@
   pp::proxy::PluginDispatcher::SetGlobal(NULL);
 }
 
 // The "regular" ChildThread implements this function and does some standard
 // dispatching, then uses the message router. We don't actually need any of
 // this so this function just overrides that one.
 //
 // Note that this function is called only for messages from the channel to the
 // browser process. Messages from the renderer process are sent via a different
 // channel that ends up at Dispatcher::OnMessageReceived.
-void PpapiThread::OnMessageReceived(const IPC::Message& msg) {
+bool PpapiThread::OnMessageReceived(const IPC::Message& msg) {
   IPC_BEGIN_MESSAGE_MAP(PpapiThread, msg)
     IPC_MESSAGE_HANDLER(PpapiMsg_LoadPlugin, OnMsgLoadPlugin)
 
     // The rest of the messages go to the dispatcher.
     /*IPC_MESSAGE_UNHANDLED(
       if (dispatcher_.get())
         dispatcher_->OnMessageReceived(msg)
     )*/
   IPC_END_MESSAGE_MAP()
+  return true;
 }
 
 void PpapiThread::OnMsgLoadPlugin(base::ProcessHandle host_process_handle,
                                   const FilePath& path,
                                   int renderer_id) {
   IPC::ChannelHandle channel_handle;
   if (!LoadPluginLib(host_process_handle, path) ||
       !SetupRendererChannel(renderer_id, &channel_handle)) {
     // An empty channel handle indicates error.
     Send(new PpapiHostMsg_PluginLoaded(IPC::ChannelHandle()));
@@ skipping 61 matching lines @@
 
 #if defined(OS_POSIX)
 void PpapiThread::CloseRendererFD() {
   if (renderer_fd_ != -1) {
     if (HANDLE_EINTR(close(renderer_fd_)) < 0)
       PLOG(ERROR) << "close";
     renderer_fd_ = -1;
   }
 }
 #endif