Wire up process launch error codes.

content/browser/browser_child_process_host_impl.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_BROWSER_CHILD_PROCESS_HOST_IMPL_H_
 #define CONTENT_BROWSER_BROWSER_CHILD_PROCESS_HOST_IMPL_H_
 
 #include <stdint.h>
 
 #include <list>
@@ skipping 87 matching lines @@
   friend class BrowserChildProcessHostIterator;
   friend class BrowserChildProcessObserver;
 
   static BrowserChildProcessList* GetIterator();
 
   static void AddObserver(BrowserChildProcessObserver* observer);
   static void RemoveObserver(BrowserChildProcessObserver* observer);
 
   // ChildProcessLauncher::Client implementation.
   void OnProcessLaunched() override;
-  void OnProcessLaunchFailed() override;
+  void OnProcessLaunchFailed(int error_code) override;
 
   // Returns true if the process has successfully launched. Must only be called
   // on the IO thread.
   bool IsProcessLaunched() const;
 
 #if defined(OS_WIN)
   // ObjectWatcher::Delegate implementation.
   void OnObjectSignaled(HANDLE object) override;
 #endif
 
@@ skipping 12 matching lines @@
   base::win::ObjectWatcher early_exit_watcher_;
 #endif
 
   bool is_channel_connected_;
   bool notify_child_disconnected_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSER_CHILD_PROCESS_HOST_IMPL_H_