A few more small changes to make GrAtlasTextBlob nearly self contained

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 33 matching lines @@
                     SkScalar x, SkScalar y, const SkIRect& regionClipBounds) override;
     void onDrawPosText(GrDrawContext*, const GrClip&, const GrPaint&,
                        const SkPaint&, const SkMatrix& viewMatrix,
                        const char text[], size_t byteLength,
                        const SkScalar pos[], int scalarsPerPosition,
                        const SkPoint& offset, const SkIRect& regionClipBounds) override;
     void drawTextBlob(GrDrawContext*, const GrClip&, const SkPaint&,
                       const SkMatrix& viewMatrix, const SkTextBlob*, SkScalar x, SkScalar y,
                       SkDrawFilter*, const SkIRect& clipBounds) override;
 
-    typedef GrAtlasTextBlob::Run Run;
-    typedef Run::SubRunInfo PerSubRunInfo;
-
     // sets up the descriptor on the blob and returns a detached cache.  Client must attach
     inline static GrColor ComputeCanonicalColor(const SkPaint&, bool lcd);
     void regenerateTextBlob(GrAtlasTextBlob* bmp, const SkPaint& skPaint, GrColor,
                             const SkMatrix& viewMatrix,
                             const SkTextBlob* blob, SkScalar x, SkScalar y,
                             SkDrawFilter* drawFilter);
     inline static bool HasLCD(const SkTextBlob*);
 
     // Test methods
     // TODO this is really ugly.  It'd be much nicer if positioning could be moved to batch
@@ skipping 13 matching lines @@
     SkAutoTUnref<const GrDistanceFieldAdjustTable> fDistanceAdjustTable;
 
 #ifdef GR_TEST_UTILS
     DRAW_BATCH_TEST_FRIEND(TextBlobBatch);
 #endif
 
     typedef GrTextContext INHERITED;
 };
 
 #endif