add portable and canonical font support for DM

gm/drawlooper.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 22 matching lines @@
 
     virtual SkString onShortName() SK_OVERRIDE {
         return SkString("drawlooper");
     }
 
     virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         this->init();
 
         SkPaint  paint;
         paint.setAntiAlias(true);
+        sk_tool_utils::set_portable_typeface(&paint);
         paint.setTextSize(SkIntToScalar(72));
         paint.setLooper(fLooper);
 
         canvas->drawCircle(SkIntToScalar(50), SkIntToScalar(50),
                            SkIntToScalar(30), paint);
 
         canvas->drawRectCoords(SkIntToScalar(150), SkIntToScalar(50),
                                SkIntToScalar(200), SkIntToScalar(100), paint);
 
         canvas->drawText("Looper", 6, SkIntToScalar(230), SkIntToScalar(100),
@@ skipping 40 matching lines @@
         fLooper = looperBuilder.detachLooper();
     }
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static skiagm::GM* MyFactory(void*) { return new DrawLooperGM; }
 static skiagm::GMRegistry reg(MyFactory);