Don't waste time on browser that crashed before connecting to the IPC channel.

chrome/test/automation/automation_proxy.h

 // Copyright (c) 2011 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 CHROME_TEST_AUTOMATION_AUTOMATION_PROXY_H_
 #define CHROME_TEST_AUTOMATION_AUTOMATION_PROXY_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 272 matching lines @@
   base::WaitableEvent initial_loads_complete_;
   base::WaitableEvent new_tab_ui_load_complete_;
   int new_tab_ui_load_time_;
 
   // An event that notifies when we are shutting-down.
   scoped_ptr<base::WaitableEvent> shutdown_event_;
 
   // The version of the automation provider we are communicating with.
   std::string server_version_;
 
-  // Used to guard against multiple hello messages being received.
-  int app_launch_signaled_;
-
   // Whether to perform a version check between the automation proxy and
   // the automation provider at connection time. Defaults to false, you can
   // set this to true if building the automation proxy into a module with
   // a version resource.
   bool perform_version_check_;
 
   // If true, the proxy will disconnect the IPC channel on first failure
   // to send an IPC message. This helps avoid long timeouts in tests.
   bool disconnect_on_failure_;
 
   // Delay to let the browser execute the command.
   base::TimeDelta action_timeout_;
 
   base::PlatformThreadId listener_thread_id_;
 
   DISALLOW_COPY_AND_ASSIGN(AutomationProxy);
 };
 
 #endif  // CHROME_TEST_AUTOMATION_AUTOMATION_PROXY_H_