Revert of Add OpenTypeCapsSupport class

third_party/WebKit/Source/platform/fonts/opentype/OpenTypeCapsSupport.h

-// Copyright 2016 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.
-
-#ifndef OpenTypeCapsSupport_h
-#define OpenTypeCapsSupport_h
-
-#include "platform/fonts/FontDescription.h"
-#include "platform/fonts/SmallCapsIterator.h"
-#include "platform/fonts/opentype/OpenTypeCapsSupport.h"
-#include "platform/fonts/shaping/CaseMappingHarfBuzzBufferFiller.h"
-#include "platform/fonts/shaping/HarfBuzzFace.h"
-
-#include <hb.h>
-
-namespace blink {
-
-class PLATFORM_EXPORT OpenTypeCapsSupport {
-public:
-    OpenTypeCapsSupport();
-    OpenTypeCapsSupport(const HarfBuzzFace*,
-        FontDescription::FontVariantCaps requestedCaps,
-        hb_script_t);
-
-    bool needsRunCaseSplitting();
-    bool needsSyntheticFont(SmallCapsIterator::SmallCapsBehavior runCase);
-    FontDescription::FontVariantCaps fontFeatureToUse(SmallCapsIterator::SmallCapsBehavior runCase);
-    CaseMapIntend needsCaseChange(SmallCapsIterator::SmallCapsBehavior runCase);
-
-private:
-    void determineFontSupport(hb_script_t);
-    bool supportsOpenTypeFeature(hb_script_t, uint32_t tag) const;
-
-    const HarfBuzzFace* m_harfBuzzFace;
-    FontDescription::FontVariantCaps m_requestedCaps;
-    SmallCapsIterator::SmallCapsBehavior m_runCase;
-
-    enum class FontSupport {
-        Full,
-        Fallback, // Fall back to 'smcp' or 'smcp' + 'c2sc'
-        None
-    };
-
-    enum class CapsSynthesis {
-        None,
-        LowerToSmallCaps,
-        UpperToSmallCaps,
-        BothToSmallCaps
-    };
-
-    FontSupport m_fontSupport;
-    CapsSynthesis m_capsSynthesis;
-};
-
-}; // namespace blink
-
-#endif