Wire up process launch error codes.

chrome/browser/extensions/api/image_writer_private/image_writer_utility_client.h

 // Copyright 2014 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_BROWSER_EXTENSIONS_API_IMAGE_WRITER_PRIVATE_IMAGE_WRITER_UTILITY_CLIENT_H_
 #define CHROME_BROWSER_EXTENSIONS_API_IMAGE_WRITER_PRIVATE_IMAGE_WRITER_UTILITY_CLIENT_H_
 
 #include <stdint.h>
 
 #include "base/files/file_path.h"
@@ skipping 48 matching lines @@
  protected:
   // It's a reference-counted object, so destructor is not public.
   ~ImageWriterUtilityClient() override;
 
  private:
   // Ensures the UtilityProcessHost has been created.
   void StartHost();
 
   // UtilityProcessHostClient implementation.
   void OnProcessCrashed(int exit_code) override;
-  void OnProcessLaunchFailed() override;
+  void OnProcessLaunchFailed(int error_code) override;
   bool OnMessageReceived(const IPC::Message& message) override;
   virtual bool Send(IPC::Message* msg);
 
   // IPC message handlers.
   void OnWriteImageSucceeded();
   void OnWriteImageCancelled();
   void OnWriteImageFailed(const std::string& message);
   void OnWriteImageProgress(int64_t progress);
 
   CancelCallback cancel_callback_;
   ProgressCallback progress_callback_;
   SuccessCallback success_callback_;
   ErrorCallback error_callback_;
 
   base::WeakPtr<content::UtilityProcessHost> utility_process_host_;
 
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(ImageWriterUtilityClient);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_IMAGE_WRITER_PRIVATE_IMAGE_WRITER_UTILITY_CLIENT_H_