Move the FontConfigTypeface class into private header.

src/ports/SkFontConfigTypeface.h

+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkFontConfigInterface.h"
+#include "SkFontHost_FreeType_common.h"
+#include "SkTypefaceCache.h"
+
+class SkFontDescriptor;
+class SkStream;
+
+class FontConfigTypeface : public SkTypeface_FreeType {
+    SkFontConfigInterface::FontIdentity fIdentity;
+    SkString fFamilyName;
+    SkStream* fLocalStream;
+
+public:
+    FontConfigTypeface(Style style,
+                       const SkFontConfigInterface::FontIdentity& fi,
+                       const SkString& familyName)
+            : INHERITED(style, SkTypefaceCache::NewFontID(), false)
+            , fIdentity(fi)
+            , fFamilyName(familyName)
+            , fLocalStream(NULL) {}
+
+    FontConfigTypeface(Style style, SkStream* localStream)
+            : INHERITED(style, SkTypefaceCache::NewFontID(), false) {
+        // we default to empty fFamilyName and fIdentity
+        fLocalStream = localStream;
+        SkSafeRef(localStream);
+    }
+
+    virtual ~FontConfigTypeface() {
+        SkSafeUnref(fLocalStream);
+    }
+
+    const SkFontConfigInterface::FontIdentity& getIdentity() const {
+        return fIdentity;
+    }
+
+    const char* getFamilyName() const { return fFamilyName.c_str(); }
+    SkStream*   getLocalStream() const { return fLocalStream; }
+
+    bool isFamilyName(const char* name) const {
+        return fFamilyName.equals(name);
+    }
+
+protected:
+    friend class SkFontHost;    // hack until we can make public versions
+
+    virtual int onGetTableTags(SkFontTableTag tags[]) const SK_OVERRIDE;
+    virtual size_t onGetTableData(SkFontTableTag, size_t offset,
+                                  size_t length, void* data) const SK_OVERRIDE;
+    virtual void onGetFontDescriptor(SkFontDescriptor*, bool*) const SK_OVERRIDE;
+    virtual SkStream* onOpenStream(int* ttcIndex) const SK_OVERRIDE;
+
+private:
+    typedef SkTypeface_FreeType INHERITED;
+};
+