Remove SVG fonts

Source/core/svg/SVGFontFaceSource.cpp

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "config.h"
-
-#if ENABLE(SVG_FONTS)
-#include "core/svg/SVGFontFaceSource.h"
-
-#include "core/svg/SVGFontData.h"
-#include "core/svg/SVGFontFaceElement.h"
-#include "platform/fonts/FontDescription.h"
-#include "platform/fonts/SimpleFontData.h"
-
-namespace blink {
-
-SVGFontFaceSource::SVGFontFaceSource(SVGFontFaceElement* element)
-    : m_svgFontFaceElement(element)
-{
-}
-
-PassRefPtr<SimpleFontData> SVGFontFaceSource::createFontData(const FontDescription& fontDescription)
-{
-    return SimpleFontData::create(
-        SVGFontData::create(m_svgFontFaceElement.get()),
-        fontDescription.effectiveFontSize(),
-        fontDescription.isSyntheticBold(),
-        fontDescription.isSyntheticItalic());
-}
-
-void SVGFontFaceSource::trace(Visitor* visitor)
-{
-    visitor->trace(m_svgFontFaceElement);
-    CSSFontFaceSource::trace(visitor);
-}
-
-} // namespace blink
-
-#endif // ENABLE(SVG_FONTS)