use platform-independent font for gm

gm/arithmode.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 "SkCanvas.h"
 #include "SkColorPriv.h"
@@ skipping 39 matching lines @@
                                                  SkShader::kClamp_TileMode);
     paint.setShader(s)->unref();
     canvas.drawPaint(paint);
     return bm;
 }
 
 static void show_k_text(SkCanvas* canvas, SkScalar x, SkScalar y, const SkScalar k[]) {
     SkPaint paint;
     paint.setTextSize(SkIntToScalar(24));
     paint.setAntiAlias(true);
+    sk_tool_utils::set_portable_typeface(&paint);
     for (int i = 0; i < 4; ++i) {
         SkString str;
         str.appendScalar(k[i]);
         SkScalar width = paint.measureText(str.c_str(), str.size());
         canvas->drawText(str.c_str(), str.size(), x, y + paint.getTextSize(), paint);
         x += width + SkIntToScalar(10);
     }
 }
 
 class ArithmodeGM : public skiagm::GM {
@@ skipping 53 matching lines @@
     }
 
 private:
     typedef GM INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 static skiagm::GM* MyFactory(void*) { return new ArithmodeGM; }
 static skiagm::GMRegistry reg(MyFactory);