Stop using the NVPR glyph loading functionality

src/gpu/gl/GrGLPathRendering.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 GrGLPathRendering_DEFINED
 #define GrGLPathRendering_DEFINED
 
@@ skipping 18 matching lines @@
     /**
      * Create a new GrGLPathRendering object from a given GrGLGpu.
      */
     GrGLPathRendering(GrGLGpu* gpu);
     virtual ~GrGLPathRendering();
 
     // GrPathRendering implementations.
     GrPath* createPath(const SkPath&, const GrStrokeInfo&) override;
     virtual GrPathRange* createPathRange(GrPathRange::PathGenerator*,
                                          const GrStrokeInfo&) override;
-    virtual GrPathRange* createGlyphs(const SkTypeface*,
-                                      const SkDescriptor*,
-                                      const GrStrokeInfo&) override;
 
     /* Called when the 3D context state is unknown. */
     void resetContext();
 
     /**
      * Called when the GPU resources have been lost and need to be abandoned
      * (for example after a context loss).
      */
     void abandonGpuResources();
 
@@ skipping 16 matching lines @@
     void onDrawPaths(const DrawPathArgs&, const GrPathRange*, const void* indices, PathIndexType,
                      const float transformValues[], PathTransformType, int count) override;
 private:
     /**
      * Mark certain functionality as not supported if the driver version is too
      * old and a backup implementation is not practical.
      */
     struct Caps {
         bool stencilThenCoverSupport : 1;
         bool fragmentInputGenSupport : 1;
-        bool glyphLoadingSupport     : 1;
     };
     const Caps& caps() const { return fCaps; }
 
     void flushPathStencilSettings(const GrStencilSettings&);
 
     // NV_path_rendering v1.2
     void stencilThenCoverFillPath(GrGLuint path, GrGLenum fillMode,
                                   GrGLuint mask, GrGLenum coverMode);
 
     void stencilThenCoverStrokePath(GrGLuint path, GrGLint reference,
@@ skipping 47 matching lines @@
     MatrixState fHWProjectionMatrixState;
     GrStencilSettings fHWPathStencilSettings;
     struct PathTexGenData {
         GrGLenum  fMode;
         GrGLint   fNumComponents;
         GrGLfloat fCoefficients[3 * 3];
     };
 };
 
 #endif