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

content/browser/indexed_db/indexed_db_dispatcher_host.cc

Index: content/browser/indexed_db/indexed_db_dispatcher_host.cc
===================================================================
--- content/browser/indexed_db/indexed_db_dispatcher_host.cc	(revision 271040)
+++ content/browser/indexed_db/indexed_db_dispatcher_host.cc	(working copy)
@@ -124,21 +124,19 @@
   return NULL;
 }
 
-bool IndexedDBDispatcherHost::OnMessageReceived(const IPC::Message& message,
-                                                bool* message_was_ok) {
+bool IndexedDBDispatcherHost::OnMessageReceived(const IPC::Message& message) {
   if (IPC_MESSAGE_CLASS(message) != IndexedDBMsgStart)
     return false;
 
   DCHECK(indexed_db_context_->TaskRunner()->RunsTasksOnCurrentThread() ||
          message.type() == IndexedDBHostMsg_DatabasePut::ID);
 
-  bool handled =
-      database_dispatcher_host_->OnMessageReceived(message, message_was_ok) ||
-      cursor_dispatcher_host_->OnMessageReceived(message, message_was_ok);
+  bool handled = database_dispatcher_host_->OnMessageReceived(message) ||
+                 cursor_dispatcher_host_->OnMessageReceived(message);
 
   if (!handled) {
     handled = true;
-    IPC_BEGIN_MESSAGE_MAP_EX(IndexedDBDispatcherHost, message, *message_was_ok)
+    IPC_BEGIN_MESSAGE_MAP(IndexedDBDispatcherHost, message)
       IPC_MESSAGE_HANDLER(IndexedDBHostMsg_FactoryGetDatabaseNames,
                           OnIDBFactoryGetDatabaseNames)
       IPC_MESSAGE_HANDLER(IndexedDBHostMsg_FactoryOpen, OnIDBFactoryOpen)
@@ -462,16 +460,15 @@
 }
 
 bool IndexedDBDispatcherHost::DatabaseDispatcherHost::OnMessageReceived(
-    const IPC::Message& message,
-    bool* msg_is_ok) {
+    const IPC::Message& message) {
 
   DCHECK(
       (message.type() == IndexedDBHostMsg_DatabasePut::ID) ||
       parent_->indexed_db_context_->TaskRunner()->RunsTasksOnCurrentThread());
 
   bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP_EX(
-      IndexedDBDispatcherHost::DatabaseDispatcherHost, message, *msg_is_ok)
+  IPC_BEGIN_MESSAGE_MAP(
+      IndexedDBDispatcherHost::DatabaseDispatcherHost, message)
     IPC_MESSAGE_HANDLER(IndexedDBHostMsg_DatabaseCreateObjectStore,
                         OnCreateObjectStore)
     IPC_MESSAGE_HANDLER(IndexedDBHostMsg_DatabaseDeleteObjectStore,
@@ -882,11 +879,10 @@
 IndexedDBDispatcherHost::CursorDispatcherHost::~CursorDispatcherHost() {}
 
 bool IndexedDBDispatcherHost::CursorDispatcherHost::OnMessageReceived(
-    const IPC::Message& message,
-    bool* msg_is_ok) {
+    const IPC::Message& message) {
   bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP_EX(
-      IndexedDBDispatcherHost::CursorDispatcherHost, message, *msg_is_ok)
+  IPC_BEGIN_MESSAGE_MAP(
+      IndexedDBDispatcherHost::CursorDispatcherHost, message)
     IPC_MESSAGE_HANDLER(IndexedDBHostMsg_CursorAdvance, OnAdvance)
     IPC_MESSAGE_HANDLER(IndexedDBHostMsg_CursorContinue, OnContinue)
     IPC_MESSAGE_HANDLER(IndexedDBHostMsg_CursorPrefetch, OnPrefetch)