add portable and canonical font support for DM

gm/glyph_pos.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 "SkCanvas.h"
 #include "SkTypeface.h"
@@ skipping 34 matching lines @@
         } else {
             str.append("_b"); // b == Both.
         }
         return str;
     }
 
     virtual SkISize onISize() { return SkISize::Make(800, 600); }
 
     virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         if (!fProp) {
-            fProp.reset(SkTypeface::CreateFromName("Helvetica", SkTypeface::kNormal));
+            fProp.reset(sk_tool_utils::create_portable_typeface("Helvetica", SkTypeface::kNormal));
         }
 
         // There's a black pixel at 40, 40 for reference.
         canvas->drawPoint(40.0f, 40.0f, SK_ColorBLACK);
 
         // Two reference images.
         canvas->translate(50.0f, 50.0f);
         drawTestCase(canvas, 1.0f);
 
         canvas->translate(0.0f, 50.0f);
@@ skipping 129 matching lines @@
 
 static GMRegistry reg1(GlyphPosHairlineStrokeAndFillFactory);
 static GMRegistry reg2(GlyphPosStrokeAndFillFactory);
 static GMRegistry reg3(GlyphPosHairlineStrokeFactory);
 static GMRegistry reg4(GlyphPosStrokeFactory);
 static GMRegistry reg5(GlyphPosHairlineFillFactory);
 static GMRegistry reg6(GlyphPosFillFactory);
 
 
 }