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

content/browser/web_contents/web_contents_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/browser/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 475 matching lines @@
         return true;
     render_frame_message_source_ = render_frame_host;
   } else {
     if (RenderViewDevToolsAgentHost::DispatchIPCMessage(
         render_view_host, message))
         return true;
     render_view_message_source_ = render_view_host;
   }
 
   bool handled = true;
-  bool message_is_ok = true;
-  IPC_BEGIN_MESSAGE_MAP_EX(WebContentsImpl, message, message_is_ok)
+  IPC_BEGIN_MESSAGE_MAP(WebContentsImpl, message)
     IPC_MESSAGE_HANDLER(FrameHostMsg_PepperPluginHung, OnPepperPluginHung)
     IPC_MESSAGE_HANDLER(FrameHostMsg_PluginCrashed, OnPluginCrashed)
     IPC_MESSAGE_HANDLER(FrameHostMsg_DomOperationResponse,
                         OnDomOperationResponse)
     IPC_MESSAGE_HANDLER(FrameHostMsg_DidFinishDocumentLoad,
                         OnDocumentLoadedInFrame)
     IPC_MESSAGE_HANDLER(FrameHostMsg_DidFinishLoad, OnDidFinishLoad)
     IPC_MESSAGE_HANDLER(FrameHostMsg_OpenColorChooser, OnOpenColorChooser)
     IPC_MESSAGE_HANDLER(FrameHostMsg_EndColorChooser, OnEndColorChooser)
     IPC_MESSAGE_HANDLER(FrameHostMsg_SetSelectedColorInColorChooser,
@@ skipping 32 matching lines @@
                         OnHideValidationMessage)
     IPC_MESSAGE_HANDLER(ViewHostMsg_MoveValidationMessage,
                         OnMoveValidationMessage)
 #if defined(OS_ANDROID)
     IPC_MESSAGE_HANDLER(ViewHostMsg_FindMatchRects_Reply,
                         OnFindMatchRectsReply)
     IPC_MESSAGE_HANDLER(ViewHostMsg_OpenDateTimeDialog,
                         OnOpenDateTimeDialog)
 #endif
     IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP_EX()
+  IPC_END_MESSAGE_MAP()
   render_view_message_source_ = NULL;
   render_frame_message_source_ = NULL;
 
-  if (!message_is_ok) {
-    RecordAction(base::UserMetricsAction("BadMessageTerminate_RVD"));
-    GetRenderProcessHost()->ReceivedBadMessage();
-  }
-
   return handled;
 }
 
 void WebContentsImpl::RunFileChooser(
     RenderViewHost* render_view_host,
     const FileChooserParams& params) {
   if (delegate_)
     delegate_->RunFileChooser(this, params);
 }
 
@@ skipping 3394 matching lines @@
 
 void WebContentsImpl::OnPreferredSizeChanged(const gfx::Size& old_size) {
   if (!delegate_)
     return;
   const gfx::Size new_size = GetPreferredSize();
   if (new_size != old_size)
     delegate_->UpdatePreferredSize(this, new_size);
 }
 
 }  // namespace content