HeadlessWebContents:Observer to observe render process exit status

headless/lib/browser/headless_devtools_client_impl.h

 // Copyright 2016 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.
 
 #ifndef HEADLESS_LIB_BROWSER_HEADLESS_DEVTOOLS_CLIENT_IMPL_H_
 #define HEADLESS_LIB_BROWSER_HEADLESS_DEVTOOLS_CLIENT_IMPL_H_
 
 #include <unordered_map>
 
 #include "base/memory/weak_ptr.h"
@@ skipping 145 matching lines @@
   void DispatchEventTask(std::unique_ptr<base::Value> owning_message,
                          const EventHandler* event_handler,
                          const base::DictionaryValue* result_dict);
 
   content::DevToolsAgentHost* agent_host_;  // Not owned.
   int next_message_id_;
   std::unordered_map<int, Callback> pending_messages_;
 
   EventHandlerMap event_handlers_;
 
+  bool renderer_crashed_;
+
   accessibility::ExperimentalDomain accessibility_domain_;
   animation::ExperimentalDomain animation_domain_;
   application_cache::ExperimentalDomain application_cache_domain_;
   cache_storage::ExperimentalDomain cache_storage_domain_;
   console::ExperimentalDomain console_domain_;
   css::ExperimentalDomain css_domain_;
   database::ExperimentalDomain database_domain_;
   debugger::ExperimentalDomain debugger_domain_;
   device_orientation::ExperimentalDomain device_orientation_domain_;
   dom_debugger::ExperimentalDomain dom_debugger_domain_;
@@ skipping 19 matching lines @@
   tracing::ExperimentalDomain tracing_domain_;
   scoped_refptr<base::SingleThreadTaskRunner> browser_main_thread_;
   base::WeakPtrFactory<HeadlessDevToolsClientImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(HeadlessDevToolsClientImpl);
 };
 
 }  // namespace headless
 
 #endif  // HEADLESS_LIB_BROWSER_HEADLESS_DEVTOOLS_CLIENT_IMPL_H_