SkLiteDL: a little spring cleaning

src/core/SkLiteDL.h

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkLiteDL_DEFINED
 #define SkLiteDL_DEFINED
 
 #include "SkCanvas.h"
 #include "SkPaint.h"
 #include "SkPath.h"
 #include "SkDrawable.h"
 #include "SkRect.h"
 #include "SkTDArray.h"
 
-class GrContext;
-
 class SkLiteDL final : public SkDrawable {
 public:
     static sk_sp<SkLiteDL> New(SkRect);
     void reset(SkRect);
 
-    void optimizeFor(GrContext*);
     void makeThreadsafe();
     bool empty() const { return fUsed == 0; }
 
     void save();
     void saveLayer(const SkRect*, const SkPaint*, const SkImageFilter*, SkCanvas::SaveLayerFlags);
     void restore();
 
     void    concat (const SkMatrix&);
     void setMatrix (const SkMatrix&);
     void translateZ(SkScalar);
@@ skipping 56 matching lines @@
     template <typename Fn, typename... Args>
     void map(const Fn[], Args...);
 
     SkAutoTMalloc<uint8_t> fBytes;
     size_t                 fUsed;
     size_t                 fReserved;
     SkRect                 fBounds;
 };
 
 #endif//SkLiteDL_DEFINED