Add new termination status for failed launch

chrome/common/chrome_result_codes.h

 // 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.
 
 #ifndef CHROME_COMMON_CHROME_RESULT_CODES_H_
 #define CHROME_COMMON_CHROME_RESULT_CODES_H_
 
 #include "content/public/common/result_codes.h"
 
 namespace chrome {
@@ skipping 79 matching lines @@
   // Failed to migrate user data directory for side-by-side package support
   // (Linux-only).
   RESULT_CODE_SXS_MIGRATION_FAILED,
 
   // The action is not allowed by a policy.
   RESULT_CODE_ACTION_DISALLOWED_BY_POLICY,
 
   // An browser process was sandboxed. This should never happen.
   RESULT_CODE_INVALID_SANDBOX_STATE,
 
+  // A pseudo exit code to indicate that renderer process failed to start.
+  RESULT_CODE_RENDERER_PROCESS_START_FAILURE,
+
   // Last return code (keep this last).
   RESULT_CODE_CHROME_LAST_CODE,
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_COMMON_CHROME_RESULT_CODES_H_