add portable and canonical font support for DM

gm/texteffects.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 #include "SkBlurMask.h"
 #include "SkBlurMaskFilter.h"
@@ skipping 170 matching lines @@
 
     virtual SkISize onISize() SK_OVERRIDE {
         return SkISize::Make(460, 680);
     }
 
     virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         canvas->save();
 
         SkPaint     paint;
         paint.setAntiAlias(true);
+        sk_tool_utils::set_portable_typeface(&paint);
         paint.setTextSize(SkIntToScalar(56));
 
         SkScalar    x = SkIntToScalar(20);
         SkScalar    y = paint.getTextSize();
 
         SkString str("Hamburgefons");
 
         for (int i = 0; i < static_cast<int>(SK_ARRAY_COUNT(gRastProcs)); i++) {
             apply_shader(&paint, i);
 
             //  paint.setMaskFilter(NULL);
             //  paint.setColor(SK_ColorBLACK);
 
             canvas->drawText(str.c_str(), str.size(), x, y, paint);
 
             y += paint.getFontSpacing();
         }
 
         canvas->restore();
     }
 
 private:
     typedef skiagm::GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static skiagm::GM* MyFactory(void*) { return new TextEffectsGM; }
 static skiagm::GMRegistry reg(MyFactory);