add portable and canonical font support for DM

gm/variedtext.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 "SkPath.h"
@@ skipping 41 matching lines @@
 
     virtual void onOnceBeforeDraw() SK_OVERRIDE {
         fPaint.setAntiAlias(true);
         fPaint.setLCDRenderText(fLCD);
 
         SkISize size = this->getISize();
         SkScalar w = SkIntToScalar(size.fWidth);
         SkScalar h = SkIntToScalar(size.fHeight);
 
         SK_COMPILE_ASSERT(4 == SK_ARRAY_COUNT(fTypefacesToUnref), typeface_cnt);
-        fTypefacesToUnref[0] = SkTypeface::CreateFromName("sans-serif", SkTypeface::kNormal);
-        fTypefacesToUnref[1] = SkTypeface::CreateFromName("sans-serif", SkTypeface::kBold);
-        fTypefacesToUnref[2] = SkTypeface::CreateFromName("serif", SkTypeface::kNormal);
-        fTypefacesToUnref[3] = SkTypeface::CreateFromName("serif", SkTypeface::kBold);
+        fTypefacesToUnref[0] = sk_tool_utils::create_portable_typeface("sans-serif", SkTypeface::kNormal);
+        fTypefacesToUnref[1] = sk_tool_utils::create_portable_typeface("sans-serif", SkTypeface::kBold);
+        fTypefacesToUnref[2] = sk_tool_utils::create_portable_typeface("serif", SkTypeface::kNormal);
+        fTypefacesToUnref[3] = sk_tool_utils::create_portable_typeface("serif", SkTypeface::kBold);
 
         SkRandom random;
         for (int i = 0; i < kCnt; ++i) {
             int length = random.nextRangeU(kMinLength, kMaxLength);
             char text[kMaxLength];
             for (int j = 0; j < length; ++j) {
                 text[j] = (char)random.nextRangeU('!', 'z');
             }
             fStrings[i].set(text, length);
 
@@ skipping 84 matching lines @@
     SkPoint         fPositions[kCnt];
     SkRect          fClipRects[kCnt];
 
     typedef skiagm::GM INHERITED;
 };
 
 DEF_GM( return SkNEW(VariedTextGM(false, false)); )
 DEF_GM( return SkNEW(VariedTextGM(true, false)); )
 DEF_GM( return SkNEW(VariedTextGM(false, true)); )
 DEF_GM( return SkNEW(VariedTextGM(true, true)); )