NaCl: Detect plugin crashes via EOF on Chromium IPC.

components/nacl/renderer/trusted_plugin_channel.cc

 // Copyright 2014 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 "components/nacl/renderer/trusted_plugin_channel.h"
 
 #include "base/callback_helpers.h"
 #include "components/nacl/common/nacl_renderer_messages.h"
 #include "components/nacl/renderer/nexe_load_manager.h"
 #include "content/public/renderer/render_thread.h"
@@ skipping 28 matching lines @@
 
 bool TrustedPluginChannel::OnMessageReceived(const IPC::Message& msg) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(TrustedPluginChannel, msg)
     IPC_MESSAGE_HANDLER(NaClRendererMsg_ReportExitStatus, OnReportExitStatus);
     IPC_MESSAGE_UNHANDLED(handled = false);
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
+void TrustedPluginChannel::OnChannelError() {
+  if (report_exit_status_)
+    nexe_load_manager_->NexeDidCrash();
+}
+
 void TrustedPluginChannel::OnReportExitStatus(int exit_status) {
   if (report_exit_status_)
     nexe_load_manager_->set_exit_status(exit_status);
 }
 
 }  // namespace nacl