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

content/browser/loader/resource_dispatcher_host_impl.cc

 // Copyright (c) 2012 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.
 
 // See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading
 
 #include "content/browser/loader/resource_dispatcher_host_impl.h"
 
 #include <algorithm>
 #include <set>
@@ skipping 801 matching lines @@
   for (std::set<GlobalRoutingID>::const_iterator iter = ids.begin();
        iter != ids.end(); ++iter) {
     CancelBlockedRequestsForRoute(iter->child_id, iter->route_id);
   }
 
   scheduler_.reset();
 }
 
 bool ResourceDispatcherHostImpl::OnMessageReceived(
     const IPC::Message& message,
-    ResourceMessageFilter* filter,
-    bool* message_was_ok) {
+    ResourceMessageFilter* filter) {
   filter_ = filter;
   bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP_EX(ResourceDispatcherHostImpl, message, *message_was_ok)
+  IPC_BEGIN_MESSAGE_MAP(ResourceDispatcherHostImpl, message)
     IPC_MESSAGE_HANDLER(ResourceHostMsg_RequestResource, OnRequestResource)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(ResourceHostMsg_SyncLoad, OnSyncLoad)
     IPC_MESSAGE_HANDLER(ResourceHostMsg_ReleaseDownloadedFile,
                         OnReleaseDownloadedFile)
     IPC_MESSAGE_HANDLER(ResourceHostMsg_DataDownloaded_ACK, OnDataDownloadedACK)
     IPC_MESSAGE_HANDLER(ResourceHostMsg_UploadProgress_ACK, OnUploadProgressACK)
     IPC_MESSAGE_HANDLER(ResourceHostMsg_CancelRequest, OnCancelRequest)
     IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP_EX()
+  IPC_END_MESSAGE_MAP()
 
   if (!handled && IPC_MESSAGE_ID_CLASS(message.type()) == ResourceMsgStart) {
     PickleIterator iter(message);
     int request_id = -1;
     bool ok = iter.ReadInt(&request_id);
     DCHECK(ok);
     GlobalRequestID id(filter_->child_id(), request_id);
     DelegateMap::iterator it = delegate_map_.find(id);
     if (it != delegate_map_.end()) {
       ObserverList<ResourceMessageDelegate>::Iterator del_it(*it->second);
       ResourceMessageDelegate* delegate;
       while (!handled && (delegate = del_it.GetNext()) != NULL) {
-        handled = delegate->OnMessageReceived(message, message_was_ok);
+        handled = delegate->OnMessageReceived(message);
       }
     }
 
     // As the unhandled resource message effectively has no consumer, mark it as
     // handled to prevent needless propagation through the filter pipeline.
     handled = true;
   }
 
   filter_ = NULL;
   return handled;
@@ skipping 1114 matching lines @@
   if ((load_flags & net::LOAD_REPORT_RAW_HEADERS)
       && !policy->CanReadRawCookies(child_id)) {
     VLOG(1) << "Denied unauthorized request for raw headers";
     load_flags &= ~net::LOAD_REPORT_RAW_HEADERS;
   }
 
   return load_flags;
 }
 
 }  // namespace content