WIP: Added support for giflib, updated jpeg and png

gyp/images.gyp

 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
+
 # GYP file for images project.
 {
   'targets': [
     {
       'target_name': 'images',
       'product_name': 'skia_images',
       'type': 'static_library',
       'standalone_static_library': 1,
       'dependencies': [
         'core.gyp:*',
@@ skipping 112 matching lines @@
           'sources!': [
             '../src/images/SkImageDecoder_libgif.cpp',
             '../src/images/SkMovie_gif.cpp',
           ],
         }],
         [ 'skia_os == "android"', {
           'include_dirs': [
              '../src/utils',
           ],
           'dependencies': [
-             'android_deps.gyp:gif',
+             'giflib.gyp:giflib',
              'android_deps.gyp:png',
           ],
           'conditions': [
             [ 'skia_android_framework == 0', {
               'export_dependent_settings': [
                 'android_deps.gyp:png',
                 'libjpeg.gyp:*'
               ],
             }, {
               # The android framework disables these decoders as they are of little use to
               # Java applications that can't take advantage of the compressed formats.
               'sources!': [
                 '../src/images/SkImageDecoder_pkm.cpp',
                 '../src/images/SkImageDecoder_ktx.cpp',
                 '../src/images/SkImageDecoder_astc.cpp',
               ],
             }],
           ],
         }],
         [ 'skia_os == "chromeos"', {
           'dependencies': [
-             'chromeos_deps.gyp:gif',
-             'libpng.gyp:libpng',
+            'giflib.gyp:giflib'
+            'libpng.gyp:libpng',
           ],
         }],
         [ 'skia_os == "ios"', {
            'include_dirs': [
              '../include/utils/mac',
            ],
         }],
       ],
       'direct_dependent_settings': {
         'include_dirs': [
           '../include/images',
         ],
       },
     },
   ],
 }