Revert of Remove Mac native font type members from FontPlatformData

Source/platform/fonts/mac/FontCustomPlatformDataMac.cpp

+/*
+ * Copyright (C) 2007, 2008, 2010 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "config.h"
+#include "platform/fonts/FontCustomPlatformData.h"
+
+#include "platform/SharedBuffer.h"
+#include "platform/fonts/FontPlatformData.h"
+#include "platform/fonts/opentype/OpenTypeSanitizer.h"
+#include "third_party/skia/include/core/SkStream.h"
+#include "third_party/skia/include/core/SkTypeface.h"
+#include "wtf/PassOwnPtr.h"
+
+#include <ApplicationServices/ApplicationServices.h>
+
+namespace blink {
+
+FontCustomPlatformData::FontCustomPlatformData(CGFontRef cgFont, PassRefPtr<SkTypeface> typeface)
+    : m_cgFont(AdoptCF, cgFont)
+    , m_typeface(typeface)
+{
+}
+
+FontCustomPlatformData::~FontCustomPlatformData()
+{
+}
+
+FontPlatformData FontCustomPlatformData::fontPlatformData(float size, bool bold, bool italic, FontOrientation orientation)
+{
+    return FontPlatformData(m_cgFont.get(), m_typeface, size, bold, italic, orientation);
+}
+
+PassOwnPtr<FontCustomPlatformData> FontCustomPlatformData::create(SharedBuffer* buffer)
+{
+    ASSERT_ARG(buffer, buffer);
+
+    OpenTypeSanitizer sanitizer(buffer);
+    RefPtr<SharedBuffer> transcodeBuffer = sanitizer.sanitize();
+    if (!transcodeBuffer)
+        return nullptr; // validation failed.
+    buffer = transcodeBuffer.get();
+
+    RetainPtr<CFDataRef> bufferData(AdoptCF, CFDataCreate(0, reinterpret_cast<const UInt8*>(buffer->data()), buffer->size()));
+    RetainPtr<CGDataProviderRef> dataProvider(AdoptCF, CGDataProviderCreateWithCFData(bufferData.get()));
+    RetainPtr<CGFontRef> cgFontRef(AdoptCF, CGFontCreateWithDataProvider(dataProvider.get()));
+    if (!cgFontRef)
+        return nullptr;
+
+    RefPtr<SkTypeface> typeface = adoptRef(SkTypeface::CreateFromStream(new SkMemoryStream(buffer->getAsSkData().get())));
+    if (!typeface)
+        return nullptr;
+
+    return adoptPtr(new FontCustomPlatformData(cgFontRef.leakRef(), typeface.release()));
+}
+
+bool FontCustomPlatformData::supportsFormat(const String& format)
+{
+    return equalIgnoringCase(format, "truetype") || equalIgnoringCase(format, "opentype") || OpenTypeSanitizer::supportsFormat(format);
+}
+
+} // namespace blink