undefine SK_DISABLE_EXTRACTSUBSET_OPAQUE_FIX

skia/skia.gyp

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'skia',
       'type': '<(component)',
       'variables': {
@@ skipping 224 matching lines @@
         'SK_ALLOW_STATIC_GLOBAL_INITIALIZERS=0',
 
         # Temporarily disable the Skia fix in
         # http://code.google.com/p/skia/source/detail?r=3037 ; enabling that
         # fix will require substantial rebaselining.
         'SK_DRAW_POS_TEXT_IGNORE_SUBPIXEL_LEFT_ALIGN_FIX',
 
         # Temporarily ignore fix to antialias coverage, until we can rebaseline
         'SK_USE_LEGACY_AA_COVERAGE',
 
-        # Temporarily disable opacity fix in extractSubset
-        'SK_DISABLE_EXTRACTSUBSET_OPAQUE_FIX',
-
         # Temporarily keep old int-srcrect behavior, until we determine if
         # the few failures are a bug or not.
         'SK_SUPPORT_INT_SRCRECT_DRAWBITMAPRECT',
       ],
       'sources!': [
         '../third_party/skia/include/core/SkTypes.h',
       ],
       'conditions': [
         ['skia_support_gpu != 0', {
           'includes': [
@@ skipping 583 matching lines @@
           'sources': [
             '../third_party/skia/src/opts/SkBitmapProcState_opts_none.cpp',
             '../third_party/skia/src/opts/SkBlitRow_opts_none.cpp',
             '../third_party/skia/src/opts/SkUtils_opts_none.cpp',
           ],
         },
       ],
     }],
   ],
 }