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

chrome/nacl/nacl_thread.cc

 // Copyright (c) 2009 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/nacl_thread.h"
 
 #include <vector>
 
 #include "base/atomicops.h"
 #include "base/scoped_ptr.h"
@@ skipping 58 matching lines @@
   debug_enabled_ = debug ? 1 : 0;
 }
 
 NaClThread::~NaClThread() {
 }
 
 NaClThread* NaClThread::current() {
   return static_cast<NaClThread*>(ChildThread::current());
 }
 
-void NaClThread::OnControlMessageReceived(const IPC::Message& msg) {
+bool NaClThread::OnControlMessageReceived(const IPC::Message& msg) {
+  bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(NaClThread, msg)
     IPC_MESSAGE_HANDLER(NaClProcessMsg_Start, OnStartSelLdr)
+    IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
+  return handled;
 }
 
 void NaClThread::OnStartSelLdr(std::vector<nacl::FileDescriptor> handles) {
 #if defined(OS_LINUX)
   nacl::SetCreateMemoryObjectFunc(
       renderer_sandbox_support::MakeSharedMemorySegmentViaIPC);
 #elif defined(OS_MACOSX)
   nacl::SetCreateMemoryObjectFunc(CreateMemoryObject);
   CHECK(handles.size() >= 1);
   g_shm_fd = nacl::ToNativeHandle(handles[handles.size() - 1]);
   handles.pop_back();
 #endif
   scoped_array<NaClHandle> array(new NaClHandle[handles.size()]);
   for (size_t i = 0; i < handles.size(); i++) {
     array[i] = nacl::ToNativeHandle(handles[i]);
   }
   NaClMainForChromium(static_cast<int>(handles.size()), array.get(),
                       debug_enabled_);
 }