Switch ChromeOS Chromium login to use IJG libjpeg

ui/gfx/gfx.gyp

 # Copyright (c) 2013 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 350 matching lines @@
             'gfx_jni_headers',
             '<(DEPTH)/base/base.gyp:base_java',
           ],
           'link_settings': {
             'libraries': [
               '-landroid',
               '-ljnigraphics',
             ],
           },
         }],
+        ['chromeos==1', {
+          # Chrome OS requires robust JPEG decoding for the login screen.
+          'sources': [
+            'chromeos/codec/jpeg_codec_robust_slow.cc',
+            'chromeos/codec/jpeg_codec_robust_slow.h',
+          ],
+          'dependencies': [
+            '<(libjpeg_ijg_gyp_path):libjpeg',
+          ],
+        }],
         ['use_aura==0 and toolkit_views==0', {
           'sources!': [
             'nine_image_painter.cc',
             'nine_image_painter.h',
           ],
         }],
         ['OS=="android" and use_aura==0', {
           'sources!': [
             'path.cc',
           ],
@@ skipping 97 matching lines @@
          ],
          'variables': {
            'jni_gen_package': 'ui/gfx',
          },
          'includes': [ '../../build/jni_generator.gypi' ],
        },
      ],
     }],
   ],
 }