Default fake gamma to sRGB.

gyp/common.gypi

 # Copyright 2011 The Android Open Source Project
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
 # This file is automatically included by gyp_skia when building any target.
 
 {
   'includes': [
     'common_variables.gypi',
   ],
 
   'target_defaults': {
     'defines': [
       'SK_INTERNAL',
-      'SK_GAMMA_SRGB',
       'SK_GAMMA_APPLY_TO_A8',
       'QT_NO_KEYWORDS',
-      # The discardable resource cache is tested via a special bot. This is 
+      # The discardable resource cache is tested via a special bot. This is
       # disabled here so we test the non-discardable use case.
       # 'SK_USE_DISCARDABLE_SCALEDIMAGECACHE',
     ],
 
     # Validate the 'skia_os' setting against 'OS', because only certain
     # combinations work.  You should only override 'skia_os' for certain
     # situations, like building for iOS on a Mac.
     'variables': {
       'conditions': [
         [ 'skia_os != OS and not (skia_os == "ios" and OS == "mac")', {
@@ skipping 92 matching lines @@
       [ 'skia_experimental_shadowing',
         {
           'defines': [
             'SK_EXPERIMENTAL_SHADOWING',
           ],
         },
       ],
     ],
   }, # end 'target_defaults'
 }