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

content/browser/mach_broker_mac.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_BROWSER_MACH_BROKER_MAC_H_
 #define CONTENT_BROWSER_MACH_BROKER_MAC_H_
 
 #include <mach/mach.h>
 
 #include <map>
@@ skipping 51 matching lines @@
   // MUST acquire the lock given by GetLock() before calling this method (and
   // release the lock afterwards).
   void AddPlaceholderForPid(base::ProcessHandle pid, int child_process_id);
 
   // Implement |ProcessMetrics::PortProvider|.
   mach_port_t TaskForPid(base::ProcessHandle process) const override;
 
   // Implement |BrowserChildProcessObserver|.
   void BrowserChildProcessHostDisconnected(
       const ChildProcessData& data) override;
-  void BrowserChildProcessCrashed(const ChildProcessData& data) override;
+  void BrowserChildProcessCrashed(const ChildProcessData& data,
+      int exit_code) override;
 
   // Implement |NotificationObserver|.
   void Observe(int type,
                const NotificationSource& source,
                const NotificationDetails& details) override;
 
  private:
   friend class MachBrokerTest;
   friend class MachListenerThreadDelegate;
   friend struct DefaultSingletonTraits<MachBroker>;
@@ skipping 34 matching lines @@
 
   // Mutex that guards |mach_map_| and |child_process_id_map_|.
   mutable base::Lock lock_;
 
   DISALLOW_COPY_AND_ASSIGN(MachBroker);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_MACH_BROKER_MAC_H_