Add LCD support for distance field text

src/gpu/GrDistanceFieldTextContext.h

Index: src/gpu/GrDistanceFieldTextContext.h
diff --git a/src/gpu/GrDistanceFieldTextContext.h b/src/gpu/GrDistanceFieldTextContext.h
index 26208822d9c4b50ff15dfea15941e61379f9775c..58c0824e77061d03d3bb3e5275dca2455185a0e2 100644
--- a/src/gpu/GrDistanceFieldTextContext.h
+++ b/src/gpu/GrDistanceFieldTextContext.h
@@ -32,6 +32,7 @@ public:
 private:
     GrTextStrike*           fStrike;
     SkScalar                fTextRatio;
+    bool                    fUseLCDText;
 
     void init(const GrPaint&, const SkPaint&);
     void drawPackedGlyph(GrGlyph::PackedID, SkFixed left, SkFixed top, GrFontScaler*);