Add SK_IGNORE_DWRITE_BITMAP_FIX to Blink defines.

Review URL: https://codereview.chromium.org/304323003

git-svn-id: svn://svn.chromium.org/blink/trunk@175065 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/public/blink_skia_config.gyp

@@ -43,6 +43,7 @@
           # DO NOT remove the define until you are ready to rebaseline, and
           # AFTER the flag has been removed from skia.gyp in Chromium.
           'SK_DEFERRED_CANVAS_USES_FACTORIES=1',
+          'SK_IGNORE_DWRITE_BITMAP_FIX',
         ],
       },
     },