Add extra parameter to BrowserChildProcessCrashed to pass the exit_code at time of crash/termination

content/public/browser/child_process_data.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 CONTENT_PUBLIC_BROWSER_CHILD_PROCESS_DATA_H_
 #define CONTENT_PUBLIC_BROWSER_CHILD_PROCESS_DATA_H_
 
 #include "base/process/process.h"
 #include "base/strings/string16.h"
 #include "content/common/content_export.h"
@@ skipping 12 matching lines @@
   // The unique identifier for this child process. This identifier is NOT a
   // process ID, and will be unique for all types of child process for
   // one run of the browser.
   int id;
 
   // The handle to the process. May have value kNullProcessHandle if no process
   // exists - either because it hasn't been started yet or it's running in the
   // current process.
   base::ProcessHandle handle;
 
+  // The exit code for the process. This is only valid for processes that have
+  // already exited e.g. when receiving a BrowserChildProcessCrashed callback.
+  int exit_code;
+
   explicit ChildProcessData(int process_type)
-      : process_type(process_type), id(0), handle(base::kNullProcessHandle) {
-  }
+      : process_type(process_type),
+        id(0),
+        handle(base::kNullProcessHandle),
+        exit_code(0) {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_CHILD_PROCESS_DATA_H_