Port most uses of SkOnce to SkLazyPtr.

include/core/SkTypeface.h

 
 /*
  * 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.
  */
 
 
 #ifndef SkTypeface_DEFINED
@@ skipping 321 matching lines @@
      @param glyphIDsCount Number of elements in subsetGlyphIds. Ignored if
      glyphIDs is NULL.
      @return The returned object has already been referenced.
      */
     SkAdvancedTypefaceMetrics* getAdvancedTypefaceMetrics(
                           SkAdvancedTypefaceMetrics::PerGlyphInfo perGlyphInfo,
                           const uint32_t* glyphIDs = NULL,
                           uint32_t glyphIDsCount = 0) const;
 
 private:
-    static void create_default_typeface(Style style);
+    static SkTypeface* CreateDefault(int style);  // SkLazyPtr requires an int, not a Style.
+    static void        DeleteDefault(SkTypeface*);
 
     SkFontID    fUniqueID;
     Style       fStyle;
     bool        fIsFixedPitch;
 
     friend class SkPaint;
     friend class SkGlyphCache;  // GetDefaultTypeface
     // just so deprecated fonthost can call protected methods
     friend class SkFontHost;
 
     typedef SkWeakRefCnt INHERITED;
 };
 
 #endif