Begin switch to SkFontStyle for legacy calls.

src/core/SkFontMgr.cpp

Index: src/core/SkFontMgr.cpp
diff --git a/src/core/SkFontMgr.cpp b/src/core/SkFontMgr.cpp
index ab04250c0343787f43358b4ec3e120a49ae0c56f..68a6c2406f5353b6dcfae7a8c0c27fd270862b81 100644
--- a/src/core/SkFontMgr.cpp
+++ b/src/core/SkFontMgr.cpp
@@ -74,7 +74,11 @@ protected:
     SkTypeface* onCreateFromFile(const char[], int) const override {
         return nullptr;
     }
+#ifdef SK_VERY_LEGACY_CREATE_TYPEFACE
     SkTypeface* onLegacyCreateTypeface(const char [], unsigned) const override {
+#else
+    SkTypeface* onLegacyCreateTypeface(const char [], SkFontStyle) const override {
+#endif
         return nullptr;
     }
 };
@@ -165,9 +169,12 @@ SkTypeface* SkFontMgr::createFromFile(const char path[], int ttcIndex) const {
     return this->onCreateFromFile(path, ttcIndex);
 }
 
-SkTypeface* SkFontMgr::legacyCreateTypeface(const char familyName[],
-                                            unsigned styleBits) const {
-    return this->onLegacyCreateTypeface(familyName, styleBits);
+#ifdef SK_VERY_LEGACY_CREATE_TYPEFACE
+SkTypeface* SkFontMgr::legacyCreateTypeface(const char familyName[], unsigned style) const {
+#else
+SkTypeface* SkFontMgr::legacyCreateTypeface(const char familyName[], SkFontStyle style) const {
+#endif
+    return this->onLegacyCreateTypeface(familyName, style);
 }
 
 SK_DECLARE_STATIC_ONCE_PTR(SkFontMgr, singleton);