Fix for distance field draw large glyph as paths

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 47 matching lines @@
     inline bool canDrawAsDistanceFields(const SkPaint&, const SkMatrix& viewMatrix);
     GrAtlasTextBlob* setupDFBlob(int glyphCount, const SkPaint& origPaint,
                                 const SkMatrix& viewMatrix, SkGlyphCache** cache,
                                 SkPaint* dfPaint, SkScalar* textRatio);
     void bmpAppendGlyph(GrAtlasTextBlob*, int runIndex, const SkGlyph&, int left, int top,
                         GrColor color, GrFontScaler*, const SkIRect& clipRect);
     bool dfAppendGlyph(GrAtlasTextBlob*, int runIndex, const SkGlyph&, SkScalar sx, SkScalar sy,
                        GrColor color, GrFontScaler*, const SkIRect& clipRect, SkScalar textRatio,
                        const SkMatrix& viewMatrix);
     inline void appendGlyphPath(GrAtlasTextBlob*, GrGlyph*, GrFontScaler*, const SkGlyph&,
-                                SkScalar x, SkScalar y);
+                                SkScalar x, SkScalar y, SkScalar scale = 1.0f,
+                                bool applyVM = false);
     inline void appendGlyphCommon(GrAtlasTextBlob*, Run*, Run::SubRunInfo*,
                                   const SkRect& positions, GrColor color,
                                   size_t vertexStride, bool useVertexColor,
                                   GrGlyph*);
 
     inline void flushRunAsPaths(GrRenderTarget*,
                                 const SkTextBlob::RunIterator&, const GrClip& clip,
                                 const SkPaint&, SkDrawFilter*,
                                 const SkMatrix& viewMatrix, const SkIRect& clipBounds, SkScalar x,
                                 SkScalar y);
@@ skipping 107 matching lines @@
     friend class TextBatch;
 
 #ifdef GR_TEST_UTILS
     DRAW_BATCH_TEST_FRIEND(TextBlobBatch);
 #endif
 
     typedef GrTextContext INHERITED;
 };
 
 #endif