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

content/renderer/render_view_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.
 
 #include "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/auto_reset.h"
@@ skipping 1037 matching lines @@
   if (main_frame)
     GetContentClient()->SetActiveURL(main_frame->document().url());
 
   ObserverListBase<RenderViewObserver>::Iterator it(observers_);
   RenderViewObserver* observer;
   while ((observer = it.GetNext()) != NULL)
     if (observer->OnMessageReceived(message))
       return true;
 
   bool handled = true;
-  bool msg_is_ok = true;
-  IPC_BEGIN_MESSAGE_MAP_EX(RenderViewImpl, message, msg_is_ok)
+  IPC_BEGIN_MESSAGE_MAP(RenderViewImpl, message)
     IPC_MESSAGE_HANDLER(InputMsg_ExecuteEditCommand, OnExecuteEditCommand)
     IPC_MESSAGE_HANDLER(InputMsg_MoveCaret, OnMoveCaret)
     IPC_MESSAGE_HANDLER(InputMsg_ScrollFocusedEditableNodeIntoRect,
                         OnScrollFocusedEditableNodeIntoRect)
     IPC_MESSAGE_HANDLER(InputMsg_SetEditCommandsForNextKeyEvent,
                         OnSetEditCommandsForNextKeyEvent)
     IPC_MESSAGE_HANDLER(FrameMsg_Navigate, OnNavigate)
     IPC_MESSAGE_HANDLER(ViewMsg_Stop, OnStop)
     IPC_MESSAGE_HANDLER(ViewMsg_SetName, OnSetName)
     IPC_MESSAGE_HANDLER(ViewMsg_CopyImageAt, OnCopyImageAt)
@@ skipping 72 matching lines @@
     IPC_MESSAGE_HANDLER(ViewMsg_SetWindowVisibility, OnSetWindowVisibility)
     IPC_MESSAGE_HANDLER(ViewMsg_WindowFrameChanged, OnWindowFrameChanged)
 #endif
     // Adding a new message? Add platform independent ones first, then put the
     // platform specific ones at the end.
 
     // Have the super handle all other messages.
     IPC_MESSAGE_UNHANDLED(handled = RenderWidget::OnMessageReceived(message))
   IPC_END_MESSAGE_MAP()
 
-  if (!msg_is_ok) {
-    // The message had a handler, but its deserialization failed.
-    // Kill the renderer to avoid potential spoofing attacks.
-    CHECK(false) << "Unable to deserialize message in RenderViewImpl.";
-  }
-
   return handled;
 }
 
 void RenderViewImpl::OnNavigate(const FrameMsg_Navigate_Params& params) {
   FOR_EACH_OBSERVER(RenderViewObserver, observers_, Navigate(params.url));
 }
 
 bool RenderViewImpl::IsBackForwardToStaleEntry(
     const FrameMsg_Navigate_Params& params,
     bool is_reload) {
@@ skipping 2925 matching lines @@
     std::vector<gfx::Size> sizes;
     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
     if (!url.isEmpty())
       urls.push_back(
           FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
   }
   SendUpdateFaviconURL(urls);
 }
 
 }  // namespace content