add portable and canonical font support for DM

gm/imageblurtiled.cpp

 /*
  * Copyright 2014 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 "SkBlurImageFilter.h"
 #include "SkRandom.h"
@@ skipping 32 matching lines @@
                 canvas->clipRect(SkRect::MakeXYWH(x, y, tile_size, tile_size));
                 canvas->saveLayer(NULL, &paint);
                 const char* str[] = {
                     "The quick",
                     "brown fox",
                     "jumped over",
                     "the lazy dog.",
                 };
                 SkPaint textPaint;
                 textPaint.setAntiAlias(true);
+                sk_tool_utils::set_portable_typeface(&textPaint);
                 textPaint.setTextSize(SkIntToScalar(100));
                 int posY = 0;
                 for (unsigned i = 0; i < SK_ARRAY_COUNT(str); i++) {
                     posY += 100;
                     canvas->drawText(str[i], strlen(str[i]), SkIntToScalar(0),
                                      SkIntToScalar(posY), textPaint);
                 }
                 canvas->restore();
                 canvas->restore();
             }
         }
     }
 
 private:
     SkScalar fSigmaX;
     SkScalar fSigmaY;
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory1(void*) { return new ImageBlurTiledGM(3.0f, 3.0f); }
 static GMRegistry reg1(MyFactory1);
 
 }