Wire up process launch error codes.

chrome/browser/image_decoder.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_BROWSER_IMAGE_DECODER_H_
 #define CHROME_BROWSER_IMAGE_DECODER_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 111 matching lines @@
 
   // Stops batch mode if no requests have come in since
   // |kBatchModeTimeoutSeconds|.
   void StopBatchMode();
 
   // Fails all outstanding requests.
   void FailAllRequests();
 
   // Overidden from UtilityProcessHostClient.
   void OnProcessCrashed(int exit_code) override;
-  void OnProcessLaunchFailed() override;
+  void OnProcessLaunchFailed(int error_code) override;
   bool OnMessageReceived(const IPC::Message& message) override;
 
   // IPC message handlers.
   void OnDecodeImageSucceeded(const SkBitmap& decoded_image, int request_id);
   void OnDecodeImageFailed(int request_id);
 
   // For the ImageRequest identified by |request_id|, call its OnImageDecoded()
   // or OnDecodeImageFailed() method on its task runner thread.
   void RunOnImageDecoded(const SkBitmap& decoded_image, int request_id);
   void RunOnDecodeImageFailed(int request_id);
@@ skipping 15 matching lines @@
   std::unique_ptr<base::DelayTimer> batch_mode_timer_;
 
   // Mojo service connection. Must always be bound/reset and used on the IO
   // thread.
   mojom::ImageDecoderPtr decoder_;
 
   DISALLOW_COPY_AND_ASSIGN(ImageDecoder);
 };
 
 #endif  // CHROME_BROWSER_IMAGE_DECODER_H_