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diff --git a/Source/WebCore/rendering/RenderThemeIOS.h b/Source/WebCore/rendering/RenderThemeIOS.h
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+++ b/Source/WebCore/rendering/RenderThemeIOS.h
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+/*
+ * Copyright (C) 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#if PLATFORM(IOS)
+
+#include "RenderThemeCocoa.h"
+
+namespace WebCore {
+    
+class RenderStyle;
+class GraphicsContext;
+struct AttachmentLayout;
+
+class RenderThemeIOS final : public RenderThemeCocoa {
+public:
+    static Ref<RenderTheme> create();
+
+    LengthBox popupInternalPaddingBox(const RenderStyle&) const override;
+
+    static void adjustRoundBorderRadius(RenderStyle&, RenderBox&);
+
+    static CFStringRef contentSizeCategory();
+
+    WEBCORE_EXPORT static void setContentSizeCategory(const String&);
+
+protected:
+    FontCascadeDescription& cachedSystemFontDescription(CSSValueID systemFontID) const override;
+    void updateCachedSystemFontDescription(CSSValueID, FontCascadeDescription&) const override;
+    int baselinePosition(const RenderBox&) const override;
+
+    bool isControlStyled(const RenderStyle&, const BorderData&, const FillLayer& background, const Color& backgroundColor) const override;
+
+    // Methods for each appearance value.
+    void adjustCheckboxStyle(StyleResolver&, RenderStyle&, const Element*) const override;
+    bool paintCheckboxDecorations(const RenderObject&, const PaintInfo&, const IntRect&) override;
+
+    void adjustRadioStyle(StyleResolver&, RenderStyle&, const Element*) const override;
+    bool paintRadioDecorations(const RenderObject&, const PaintInfo&, const IntRect&) override;
+
+    void adjustButtonStyle(StyleResolver&, RenderStyle&, const Element*) const override;
+    bool paintButtonDecorations(const RenderObject&, const PaintInfo&, const IntRect&) override;
+    bool paintPushButtonDecorations(const RenderObject&, const PaintInfo&, const IntRect&) override;
+    void setButtonSize(RenderStyle&) const override;
+
+    bool paintFileUploadIconDecorations(const RenderObject& inputRenderer, const RenderObject& buttonRenderer, const PaintInfo&, const IntRect&, Icon*, FileUploadDecorations) override;
+
+    bool paintTextFieldDecorations(const RenderObject&, const PaintInfo&, const FloatRect&) override;
+    bool paintTextAreaDecorations(const RenderObject&, const PaintInfo&, const FloatRect&) override;
+
+    void adjustMenuListButtonStyle(StyleResolver&, RenderStyle&, const Element*) const override;
+    bool paintMenuListButtonDecorations(const RenderBox&, const PaintInfo&, const FloatRect&) override;
+
+    void adjustSliderTrackStyle(StyleResolver&, RenderStyle&, const Element*) const override;
+    bool paintSliderTrack(const RenderObject&, const PaintInfo&, const IntRect&) override;
+
+    void adjustSliderThumbSize(RenderStyle&, const Element*) const override;
+    bool paintSliderThumbDecorations(const RenderObject&, const PaintInfo&, const IntRect&) override;
+
+    // Returns the repeat interval of the animation for the progress bar.
+    double animationRepeatIntervalForProgressBar(RenderProgress&) const override;
+    // Returns the duration of the animation for the progress bar.
+    double animationDurationForProgressBar(RenderProgress&) const override;
+
+    bool paintProgressBar(const RenderObject&, const PaintInfo&, const IntRect&) override;
+
+#if ENABLE(DATALIST_ELEMENT)
+    IntSize sliderTickSize() const override;
+    int sliderTickOffsetFromTrackCenter() const override;
+#endif
+
+    void adjustSearchFieldStyle(StyleResolver&, RenderStyle&, const Element*) const override;
+    bool paintSearchFieldDecorations(const RenderObject&, const PaintInfo&, const IntRect&) override;
+
+    Color platformActiveSelectionBackgroundColor() const override;
+    Color platformInactiveSelectionBackgroundColor() const override;
+
+#if ENABLE(TOUCH_EVENTS)
+    Color platformTapHighlightColor() const override { return 0x4D1A1A1A; }
+#endif
+
+    bool shouldHaveSpinButton(const HTMLInputElement&) const override;
+    bool shouldHaveCapsLockIndicator(const HTMLInputElement&) const override;
+
+#if ENABLE(VIDEO)
+    String mediaControlsStyleSheet() override;
+    String modernMediaControlsStyleSheet() override;
+    String mediaControlsScript() override;
+    String mediaControlsBase64StringForIconAndPlatform(const String&, const String&) override;
+#endif
+
+#if ENABLE(ATTACHMENT_ELEMENT)
+    LayoutSize attachmentIntrinsicSize(const RenderAttachment&) const override;
+    int attachmentBaseline(const RenderAttachment&) const override;
+    bool paintAttachment(const RenderObject&, const PaintInfo&, const IntRect&) override;
+#endif
+
+private:
+    RenderThemeIOS();
+    virtual ~RenderThemeIOS() { }
+
+    void purgeCaches() override;
+
+    const Color& shadowColor() const;
+    FloatRect addRoundedBorderClip(const RenderObject& box, GraphicsContext&, const IntRect&);
+
+    Color systemColor(CSSValueID) const override;
+
+    String m_legacyMediaControlsScript;
+    String m_mediaControlsScript;
+    String m_legacyMediaControlsStyleSheet;
+    String m_mediaControlsStyleSheet;
+
+    mutable HashMap<int, Color> m_systemColorCache;
+};
+
+}
+
+#endif // PLATFORM(IOS)