Enable use of distance fields via SkPaint flag.

src/gpu/GrTextStrike_impl.h

Index: src/gpu/GrTextStrike_impl.h
diff --git a/src/gpu/GrTextStrike_impl.h b/src/gpu/GrTextStrike_impl.h
index 0691eaa6432b9c4307489430666c6fbe01d3ec74..bc4f8dd81718e4c779d3aa16e8f3677c191a5170 100644
--- a/src/gpu/GrTextStrike_impl.h
+++ b/src/gpu/GrTextStrike_impl.h
@@ -48,11 +48,7 @@ void GrFontCache::detachStrikeFromList(GrTextStrike* strike) {
     }
 }
 
-#if SK_DISTANCEFIELD_FONTS
 GrTextStrike* GrFontCache::getStrike(GrFontScaler* scaler, bool useDistanceField) {
-#else
-GrTextStrike* GrFontCache::getStrike(GrFontScaler* scaler) {
-#endif
     this->validate();
 
     const Key key(scaler->getKey());
@@ -69,9 +65,7 @@ GrTextStrike* GrFontCache::getStrike(GrFontScaler* scaler) {
         strike->fPrev = NULL;
         fHead = strike;
     }
-#if SK_DISTANCEFIELD_FONTS
     strike->fUseDistanceField = useDistanceField;
-#endif
     this->validate();
     return strike;
 }