Ensure that any IPC sent from a child process that couldn't be deserialized causes that p…

content/browser/worker_host/worker_process_host.cc

Index: content/browser/worker_host/worker_process_host.cc
===================================================================
--- content/browser/worker_host/worker_process_host.cc	(revision 270662)
+++ content/browser/worker_host/worker_process_host.cc	(working copy)
@@ -373,9 +373,8 @@
 }
 
 bool WorkerProcessHost::OnMessageReceived(const IPC::Message& message) {
-  bool msg_is_ok = true;
   bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP_EX(WorkerProcessHost, message, msg_is_ok)
+  IPC_BEGIN_MESSAGE_MAP(WorkerProcessHost, message)
     IPC_MESSAGE_HANDLER(WorkerHostMsg_WorkerContextClosed,
                         OnWorkerContextClosed)
     IPC_MESSAGE_HANDLER(WorkerHostMsg_WorkerContextDestroyed,
@@ -394,13 +393,6 @@
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP_EX()
 
-  if (!msg_is_ok) {
-    NOTREACHED();
-    RecordAction(base::UserMetricsAction("BadMessageTerminate_WPH"));
-    base::KillProcess(
-        process_->GetData().handle, RESULT_CODE_KILLED_BAD_MESSAGE, false);
-  }
-
   return handled;
 }