Add useDFT field to SkDeviceProperties

src/gpu/GrStencilAndCoverTextContext.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrStencilAndCoverTextContext_DEFINED
 #define GrStencilAndCoverTextContext_DEFINED
 
 #include "GrTextContext.h"
 #include "GrDrawTarget.h"
 #include "GrStrokeInfo.h"
 
 class GrTextStrike;
 class GrPath;
 class GrPathRange;
 
 /*
  * This class implements text rendering using stencil and cover path rendering
  * (by the means of GrDrawTarget::drawPath).
  * This class exposes the functionality through GrTextContext interface.
  */
 class GrStencilAndCoverTextContext : public GrTextContext {
 public:
     static GrStencilAndCoverTextContext* Create(GrContext*, GrDrawContext*,
-                                                const SkDeviceProperties&, bool fallbackUsesDFT);
+                                                const SkDeviceProperties&);
 
     virtual ~GrStencilAndCoverTextContext();
 
 private:
     static const int kGlyphBufferSize = 1024;
 
     enum RenderMode {
         /**
          * This is the render mode used by drawText(), which is mainly used by
          * the Skia unit tests. It tries match the other text backends exactly,
@@ skipping 49 matching lines @@
               size_t textByteLength, RenderMode, const SkMatrix& viewMatrix,
               const SkIRect& regionClipBounds);
     bool mapToFallbackContext(SkMatrix* inverse);
     void appendGlyph(const SkGlyph&, const SkPoint&);
     void flush();
     void finish();
 
 };
 
 #endif