Begin switch to SkFontStyle for legacy calls.

src/ports/SkFontMgr_custom.cpp

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkFontDescriptor.h"
 #include "SkFontHost_FreeType_common.h"
 #include "SkFontMgr.h"
@@ skipping 290 matching lines @@
         } else {
             return nullptr;
         }
     }
 
     SkTypeface* onCreateFromFile(const char path[], int ttcIndex) const override {
         SkAutoTDelete<SkStreamAsset> stream(SkStream::NewFromFile(path));
         return stream.get() ? this->createFromStream(stream.release(), ttcIndex) : nullptr;
     }
 
+#ifdef SK_VERY_LEGACY_CREATE_TYPEFACE
     SkTypeface* onLegacyCreateTypeface(const char familyName[], unsigned styleBits) const override {
-        SkTypeface::Style oldStyle = (SkTypeface::Style)styleBits;
-        SkFontStyle style = SkFontStyle(oldStyle & SkTypeface::kBold
-                                                 ? SkFontStyle::kBold_Weight
-                                                 : SkFontStyle::kNormal_Weight,
-                                        SkFontStyle::kNormal_Width,
-                                        oldStyle & SkTypeface::kItalic
-                                                 ? SkFontStyle::kItalic_Slant
-                                                 : SkFontStyle::kUpright_Slant);
+        SkFontStyle style = SkFontStyle::FromOldStyle(styleBits);
+#else
+    SkTypeface* onLegacyCreateTypeface(const char familyName[], SkFontStyle style) const override {
+#endif
         SkTypeface* tf = nullptr;
 
         if (familyName) {
             tf = this->onMatchFamilyStyle(familyName, style);
         }
 
         if (nullptr == tf) {
             tf = fDefaultFamily->matchStyle(style);
         }
 
@@ skipping 189 matching lines @@
         SkFontStyleSet_Custom* family = new SkFontStyleSet_Custom(SkString());
         families->push_back().reset(family);
         family->appendTypeface(new SkTypeface_Empty);
     }
 
 };
 
 SK_API SkFontMgr* SkFontMgr_New_Custom_Empty() {
     return new SkFontMgr_Custom(EmptyFontLoader());
 }