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

content/browser/vibration/vibration_message_filter.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/vibration/vibration_message_filter.h"
 
 #include <algorithm>
 
 #include "base/numerics/safe_conversions.h"
 #include "content/common/view_messages.h"
@@ skipping 11 matching lines @@
     : BrowserMessageFilter(ViewMsgStart) {
   provider_.reset(GetContentClient()->browser()->OverrideVibrationProvider());
   if (!provider_.get())
     provider_.reset(CreateProvider());
 }
 
 VibrationMessageFilter::~VibrationMessageFilter() {
 }
 
 bool VibrationMessageFilter::OnMessageReceived(
-    const IPC::Message& message,
-    bool* message_was_ok) {
+    const IPC::Message& message) {
   bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP_EX(VibrationMessageFilter,
-                           message,
-                           *message_was_ok)
+  IPC_BEGIN_MESSAGE_MAP(VibrationMessageFilter, message)
     IPC_MESSAGE_HANDLER(ViewHostMsg_Vibrate, OnVibrate)
     IPC_MESSAGE_HANDLER(ViewHostMsg_CancelVibration, OnCancelVibration)
     IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP_EX()
+  IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void VibrationMessageFilter::OnVibrate(int64 milliseconds) {
   if (!provider_.get())
     return;
 
   // Though the Blink implementation already sanitizes vibration times, don't
   // trust any values passed from the renderer.
   milliseconds = std::max(kMinimumVibrationDurationMs, std::min(milliseconds,
           base::checked_cast<int64>(blink::kVibrationDurationMax)));
 
   provider_->Vibrate(milliseconds);
 }
 
 void VibrationMessageFilter::OnCancelVibration() {
   if (!provider_.get())
     return;
 
   provider_->CancelVibration();
 }
 
 #if !defined(OS_ANDROID)
 // static
 VibrationProvider* VibrationMessageFilter::CreateProvider() {
   return NULL;
 }
 #endif
 }  // namespace content