Add useDFT field to SkDeviceProperties

src/gpu/GrAtlasTextContext.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrAtlasTextContext_DEFINED
 #define GrAtlasTextContext_DEFINED
 
@@ skipping 17 matching lines @@
 class GrDrawTarget;
 class GrPipelineBuilder;
 class GrTextBlobCache;
 
 /*
  * This class implements GrTextContext using standard bitmap fonts, and can also process textblobs.
  * TODO replace GrBitmapTextContext
  */
 class GrAtlasTextContext : public GrTextContext {
 public:
-    static GrAtlasTextContext* Create(GrContext*, GrDrawContext*,
-                                      const SkDeviceProperties&, bool enableDistanceFields);
+    static GrAtlasTextContext* Create(GrContext*, GrDrawContext*, const SkDeviceProperties&);
 
 private:
-    GrAtlasTextContext(GrContext*, GrDrawContext*, const SkDeviceProperties&, bool useDFT);
+    GrAtlasTextContext(GrContext*, GrDrawContext*, const SkDeviceProperties&);
     ~GrAtlasTextContext() override {}
 
     bool canDraw(const GrRenderTarget*, const GrClip&, const GrPaint&,
                  const SkPaint&, const SkMatrix& viewMatrix) override;
 
     void onDrawText(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&,
                     const SkMatrix& viewMatrix, const char text[], size_t byteLength,
                     SkScalar x, SkScalar y, const SkIRect& regionClipBounds) override;
     void onDrawPosText(GrRenderTarget*, const GrClip&, const GrPaint&,
                        const SkPaint&, const SkMatrix& viewMatrix,
@@ skipping 325 matching lines @@
 
         const SkScalar& operator[] (int i) const {
             return fTable[i];
         }
 
         SkScalar* fTable;
     };
 
     GrBatchTextStrike* fCurrStrike;
     GrTextBlobCache* fCache;
-    bool fEnableDFRendering;
     SkAutoTUnref<DistanceAdjustTable> fDistanceAdjustTable;
 
     friend class GrTextBlobCache;
     friend class BitmapTextBatch;
 
 #ifdef GR_TEST_UTILS
     BATCH_TEST_FRIEND(TextBlobBatch);
 #endif
 
     typedef GrTextContext INHERITED;
 };
 
 #endif