Refactor SkGrFontScaler and SkGrFontKey into non-virtual versions.

src/gpu/GrTextStrike.cpp

 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrGpu.h"
 #include "GrRectanizer.h"
 #include "GrTextStrike.h"
@@ skipping 202 matching lines @@
 #endif
 
 /*
     The text strike is specific to a given font/style/matrix setup, which is
     represented by the GrHostFontScaler object we are given in getGlyph().
 
     We map a 32bit glyphID to a GrGlyph record, which in turn points to a
     atlas and a position within that texture.
  */
 
-GrTextStrike::GrTextStrike(GrFontCache* cache, const GrKey* key,
+GrTextStrike::GrTextStrike(GrFontCache* cache, const GrFontDescKey* key,
                            GrMaskFormat format,
                            GrAtlas* atlas) : fPool(64) {
     fFontScalerKey = key;
     fFontScalerKey->ref();
 
     fFontCache = cache;     // no need to ref, it won't go away before we do
     fAtlas = atlas;         // no need to ref, it won't go away before we do
 
     fMaskFormat = format;
 
@@ skipping 84 matching lines @@
                                        glyph->height(), storage.get(),
                                        &glyph->fAtlasLocation);
 
     if (NULL == plot) {
         return false;
     }
 
     glyph->fPlot = plot;
     return true;
 }