Switch ChromeOS Chromium login to use IJG libjpeg

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 <string>
 #include <vector>
@@ skipping 40 matching lines @@
     virtual ~ImageRequest();
 
    private:
     // The thread to post OnImageDecoded or OnDecodeImageFailed once the
     // the image has been decoded.
     const scoped_refptr<base::SequencedTaskRunner> task_runner_;
   };
 
   enum ImageCodec {
     DEFAULT_CODEC = 0,  // Uses WebKit image decoding (via WebImage).
+#if defined(OS_CHROMEOS)
     ROBUST_JPEG_CODEC,  // Restrict decoding to robust jpeg codec.
+#endif  // defined(OS_CHROMEOS)
   };
 
   // Calls StartWithOptions with ImageCodec::DEFAULT_CODEC and
   // shrink_to_fit = false.
   static void Start(ImageRequest* image_request,
                     const std::string& image_data);
 
   // Starts asynchronous image decoding. Once finished, the callback will be
   // posted back to image_request's |task_runner_|.
   static void StartWithOptions(ImageRequest* image_request,
@@ skipping 55 matching lines @@
   // Calls StopBatchMode after kBatchModeTimeoutSeconds have elapsed.
   base::RepeatingTimer<ImageDecoder> batch_mode_timer_;
 
   // The time Start was last called.
   base::TimeTicks last_request_;
 
   DISALLOW_COPY_AND_ASSIGN(ImageDecoder);
 };
 
 #endif  // CHROME_BROWSER_IMAGE_DECODER_H_