Remove IPC_BEGIN_MESSAGE_MAP_EX macro since r270839 made all bad IPCs kill their child processes.

content/browser/service_worker/service_worker_dispatcher_host.cc

 // 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.
 
 #include "content/browser/service_worker/service_worker_dispatcher_host.h"
 
 #include "base/logging.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/message_port_message_filter.h"
 #include "content/browser/message_port_service.h"
@@ skipping 67 matching lines @@
   for (size_t i = 0; i < messages.size(); ++i) {
     BrowserMessageFilter::Send(messages[i]);
   }
 }
 
 void ServiceWorkerDispatcherHost::OnDestruct() const {
   BrowserThread::DeleteOnIOThread::Destruct(this);
 }
 
 bool ServiceWorkerDispatcherHost::OnMessageReceived(
-    const IPC::Message& message,
-    bool* message_was_ok) {
+    const IPC::Message& message) {
   bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP_EX(
-    ServiceWorkerDispatcherHost, message, *message_was_ok)
+  IPC_BEGIN_MESSAGE_MAP(ServiceWorkerDispatcherHost, message)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_RegisterServiceWorker,
                         OnRegisterServiceWorker)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_UnregisterServiceWorker,
                         OnUnregisterServiceWorker)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_ProviderCreated,
                         OnProviderCreated)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_ProviderDestroyed,
                         OnProviderDestroyed)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_SetVersionId,
                         OnSetHostedVersionId)
@@ skipping 302 matching lines @@
     ServiceWorkerStatusCode status) {
   base::string16 error_message;
   blink::WebServiceWorkerError::ErrorType error_type;
   GetServiceWorkerRegistrationStatusResponse(
       status, &error_type, &error_message);
   Send(new ServiceWorkerMsg_ServiceWorkerRegistrationError(
       thread_id, request_id, error_type, error_message));
 }
 
 }  // namespace content