refactoring for SK_FONTHOST_USES_FONTMGR option

src/core/SkTypeface.cpp

 /*
  * Copyright 2011 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 "SkAdvancedTypefaceMetrics.h"
 #include "SkFontDescriptor.h"
 #include "SkFontHost.h"
@@ skipping 191 matching lines @@
     name->set(desc.getFamilyName());
 }
 
 SkAdvancedTypefaceMetrics* SkTypeface::getAdvancedTypefaceMetrics(
                                 SkAdvancedTypefaceMetrics::PerGlyphInfo info,
                                 const uint32_t* glyphIDs,
                                 uint32_t glyphIDsCount) const {
     return this->onGetAdvancedTypefaceMetrics(info, glyphIDs, glyphIDsCount);
 }
 
+SkTypeface* SkTypeface::refMatchingStyle(Style style) const {
+    return this->onRefMatchingStyle(style);
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////
 
 int SkTypeface::onCharsToGlyphs(const void* chars, Encoding encoding,
                                 uint16_t glyphs[], int glyphCount) const {
     SkDebugf("onCharsToGlyphs unimplemented\n");
     if (glyphs && glyphCount > 0) {
         sk_bzero(glyphs, glyphCount * sizeof(glyphs[0]));
     }
     return 0;
@@ skipping 20 matching lines @@
 }
 
 size_t SkTypeface::onGetTableData(SkFontTableTag tag, size_t offset,
                                   size_t length, void* data) const {
     int ttcIndex;
     SkAutoTUnref<SkStream> stream(this->openStream(&ttcIndex));
     return stream.get()
         ? SkFontStream::GetTableData(stream, ttcIndex, tag, offset, length, data)
         : 0;
 }