Reland of Make draw* lines responsible for cache management

src/gpu/text/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 56 matching lines @@
     // A helper for drawing BitmapText in a run of distance fields
     inline void fallbackDrawPosText(GrAtlasTextBlob*, int runIndex,
                                     GrColor color,
                                     const SkPaint&, const SkMatrix& viewMatrix,
                                     const SkTDArray<char>& fallbackTxt,
                                     const SkTDArray<SkScalar>& fallbackPos,
                                     int scalarsPerPosition,
                                     const SkPoint& offset);
 
     void internalDrawDFText(GrAtlasTextBlob*, int runIndex,
-                            SkGlyphCache*, const SkPaint&,
+                            const SkPaint&,
                             GrColor color, const SkMatrix& viewMatrix,
                             const char text[], size_t byteLength,
                             SkScalar x, SkScalar y,
                             SkScalar textRatio, const SkPaint& origPaint);
     void internalDrawDFPosText(GrAtlasTextBlob*, int runIndex,
-                               SkGlyphCache*, const SkPaint&,
+                               const SkPaint&,
                                GrColor color, const SkMatrix& viewMatrix,
                                const char text[], size_t byteLength,
                                const SkScalar pos[], int scalarsPerPosition,
                                const SkPoint& offset,
                                SkScalar textRatio,
                                const SkPaint& origPaint);
 
     // sets up the descriptor on the blob and returns a detached cache.  Client must attach
     inline static GrColor ComputeCanonicalColor(const SkPaint&, bool lcd);
-    inline SkGlyphCache* setupCache(Run*, const SkPaint&, const SkMatrix* viewMatrix, bool noGamma);
     void regenerateTextBlob(GrAtlasTextBlob* bmp, const SkPaint& skPaint, GrColor,
                             const SkMatrix& viewMatrix,
                             const SkTextBlob* blob, SkScalar x, SkScalar y,
                             SkDrawFilter* drawFilter,
                             const GrClip&);
     inline static bool HasLCD(const SkTextBlob*);
     inline void initDistanceFieldPaint(GrAtlasTextBlob*, SkPaint*, SkScalar* textRatio,
                                        const SkMatrix&);
 
     // Test methods
@@ skipping 14 matching lines @@
     SkAutoTUnref<const GrDistanceFieldAdjustTable> fDistanceAdjustTable;
 
 #ifdef GR_TEST_UTILS
     DRAW_BATCH_TEST_FRIEND(TextBlobBatch);
 #endif
 
     typedef GrTextContext INHERITED;
 };
 
 #endif