Enable use of distance fields via SkPaint flag.

gyp/gpu.gyp

 # GYP for building gpu
 {
   'target_defaults': {
     'conditions': [
       ['skia_os != "win"', {
         'sources/': [ ['exclude', '_win.(h|cpp)$'],
         ],
       }],
       ['skia_os != "mac"', {
         'sources/': [ ['exclude', '_mac.(h|cpp|m|mm)$'],
@@ skipping 115 matching lines @@
         }],
         [ 'skia_chrome_utils', {
           'sources': [
             '../experimental/ChromeUtils/SkBorder.cpp',
             '../experimental/ChromeUtils/SkBorder.h',
           ],
           'defines': [
             'GR_CHROME_UTILS=1',
           ],
         }],
-        [ 'skia_distancefield_fonts', {
-          'sources': [
-            '<(skia_src_path)/gpu/GrDistanceFieldTextContext.h',
-            '<(skia_src_path)/gpu/GrDistanceFieldTextContext.cpp',
-            '<(skia_src_path)/gpu/effects/GrDistanceFieldTextureEffect.cpp',
-            '<(skia_src_path)/gpu/effects/GrDistanceFieldTextureEffect.h',
-          ],
-          'defines': [
-            'GR_DISTANCEFIELD_FONTS=1',
-          ],
-        }],
         [ 'skia_os == "linux" or skia_os == "chromeos"', {
           'sources!': [
             '../src/gpu/gl/GrGLDefaultInterface_none.cpp',
             '../src/gpu/gl/GrGLCreateNativeInterface_none.cpp',
           ],
           'link_settings': {
             'libraries': [
               '-lGL',
               '-lGLU',
               '-lX11',
@@ skipping 68 matching lines @@
             'libraries': [
               '-lGLESv2',
               '-lEGL',
             ],
           },
         }],
       ],
     },
   ],
 }