LibWeb: Remove background-repeat/image fields and getters

These aren't needed now that we render using background_layers instead.
The one casualty is the resolved style for background-repeat, but that
was incorrect anyway.

Userland/Libraries/LibWeb/CSS/ComputedValues.h

@@ -25,7 +25,6 @@ public:
     static CSS::Display display() { return CSS::Display { CSS::Display::Outside::Inline, CSS::Display::Inside::Flow }; }
     static Color color() { return Color::Black; }
     static Color background_color() { return Color::Transparent; }
-    static CSS::Repeat background_repeat() { return CSS::Repeat::Repeat; }
     static CSS::ListStyleType list_style_type() { return CSS::ListStyleType::Disc; }
     static CSS::FlexDirection flex_direction() { return CSS::FlexDirection::Row; }
     static CSS::FlexWrap flex_wrap() { return CSS::FlexWrap::Nowrap; }
@@ -126,7 +125,6 @@ public:
     Color color() const { return m_inherited.color; }
     Color background_color() const { return m_noninherited.background_color; }
     Vector<BackgroundLayerData> const& background_layers() const { return m_noninherited.background_layers; }
-    BackgroundRepeatData background_repeat() const { return m_noninherited.background_repeat; }
 
     CSS::ListStyleType list_style_type() const { return m_inherited.list_style_type; }
 
@@ -184,7 +182,6 @@ protected:
         Length border_top_right_radius;
         Color background_color { InitialValues::background_color() };
         Vector<BackgroundLayerData> background_layers;
-        BackgroundRepeatData background_repeat { InitialValues::background_repeat(), InitialValues::background_repeat() };
         CSS::FlexDirection flex_direction { InitialValues::flex_direction() };
         CSS::FlexWrap flex_wrap { InitialValues::flex_wrap() };
         CSS::FlexBasisData flex_basis {};
@@ -210,7 +207,6 @@ public:
     void set_cursor(CSS::Cursor cursor) { m_inherited.cursor = cursor; }
     void set_pointer_events(CSS::PointerEvents value) { m_inherited.pointer_events = value; }
     void set_background_color(const Color& color) { m_noninherited.background_color = color; }
-    void set_background_repeat(BackgroundRepeatData repeat) { m_noninherited.background_repeat = repeat; }
     void set_background_layers(Vector<BackgroundLayerData>&& layers) { m_noninherited.background_layers = move(layers); }
     void set_float(CSS::Float value) { m_noninherited.float_ = value; }
     void set_clear(CSS::Clear value) { m_noninherited.clear = value; }

Userland/Libraries/LibWeb/CSS/ResolvedCSSStyleDeclaration.cpp

@@ -645,10 +645,6 @@ RefPtr<StyleValue> ResolvedCSSStyleDeclaration::style_value_for_property(Layout:
         return ColorStyleValue::create(layout_node.computed_values().color());
     case PropertyID::BackgroundColor:
         return ColorStyleValue::create(layout_node.computed_values().background_color());
-    case CSS::PropertyID::BackgroundRepeat:
-        return BackgroundRepeatStyleValue::create(
-            layout_node.computed_values().background_repeat().repeat_x,
-            layout_node.computed_values().background_repeat().repeat_y);
     case CSS::PropertyID::Background: {
         auto maybe_background_color = property(CSS::PropertyID::BackgroundColor);
         auto maybe_background_image = property(CSS::PropertyID::BackgroundImage);

Userland/Libraries/LibWeb/DOM/Document.cpp

@@ -366,48 +366,6 @@ Vector<CSS::BackgroundLayerData> const* Document::background_layers() const
     return &body_layout_node->background_layers();
 }
 
-RefPtr<Gfx::Bitmap> Document::background_image() const
-{
-    auto* body_element = body();
-    if (!body_element)
-        return {};
-
-    auto* body_layout_node = body_element->layout_node();
-    if (!body_layout_node)
-        return {};
-
-    auto background_image = body_layout_node->background_image();
-    if (!background_image)
-        return {};
-    return background_image->bitmap();
-}
-
-CSS::Repeat Document::background_repeat_x() const
-{
-    auto* body_element = body();
-    if (!body_element)
-        return CSS::Repeat::Repeat;
-
-    auto* body_layout_node = body_element->layout_node();
-    if (!body_layout_node)
-        return CSS::Repeat::Repeat;
-
-    return body_layout_node->computed_values().background_repeat().repeat_x;
-}
-
-CSS::Repeat Document::background_repeat_y() const
-{
-    auto* body_element = body();
-    if (!body_element)
-        return CSS::Repeat::Repeat;
-
-    auto* body_layout_node = body_element->layout_node();
-    if (!body_layout_node)
-        return CSS::Repeat::Repeat;
-
-    return body_layout_node->computed_values().background_repeat().repeat_y;
-}
-
 // https://html.spec.whatwg.org/multipage/urls-and-fetching.html#parse-a-url
 AK::URL Document::parse_url(String const& url) const
 {

Userland/Libraries/LibWeb/DOM/Document.h

@@ -131,9 +131,6 @@ public:
 
     Color background_color(const Gfx::Palette&) const;
     Vector<CSS::BackgroundLayerData> const* background_layers() const;
-    RefPtr<Gfx::Bitmap> background_image() const;
-    CSS::Repeat background_repeat_x() const;
-    CSS::Repeat background_repeat_y() const;
 
     Color link_color() const;
     void set_link_color(Color);

Userland/Libraries/LibWeb/Layout/Node.cpp

@@ -300,10 +300,6 @@ void NodeWithStyle::apply_style(const CSS::StyleProperties& specified_style)
     if (border_top_right_radius.has_value())
         computed_values.set_border_top_right_radius(border_top_right_radius.value()->to_length());
 
-    auto background_repeat = specified_style.background_repeat();
-    if (background_repeat.has_value())
-        computed_values.set_background_repeat(background_repeat.value());
-
     computed_values.set_display(specified_style.display());
 
     auto flex_direction = specified_style.flex_direction();