LibWeb: Remove low-hanging LibGUI fruit from LibWeb

We'll want to remove the LibGUI dependency from the WebContent process.
This is the first basic step of removing unnecessary LibGUI includes
and swapping out GUI::Painter for Gfx::Painter.

Userland/Libraries/LibWeb/DOM/Document.cpp

@@ -27,9 +27,6 @@
 #include <AK/StringBuilder.h>
 #include <AK/Utf8View.h>
 #include <LibCore/Timer.h>
-#include <LibGUI/Application.h>
-#include <LibGUI/DisplayLink.h>
-#include <LibGUI/MessageBox.h>
 #include <LibJS/Interpreter.h>
 #include <LibJS/Parser.h>
 #include <LibJS/Runtime/Function.h>

Userland/Libraries/LibWeb/DumpLayoutTree/main.cpp

@@ -26,6 +26,7 @@
 
 #include <LibCore/ArgsParser.h>
 #include <LibGUI/Application.h>
+#include <LibGUI/Window.h>
 #include <LibWeb/Dump.h>
 #include <LibWeb/InProcessWebView.h>
 #include <LibWeb/Layout/InitialContainingBlockBox.h>

Userland/Libraries/LibWeb/HTML/HTMLIFrameElement.cpp

@@ -24,8 +24,6 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <LibGUI/Button.h>
-#include <LibGUI/TextBox.h>
 #include <LibWeb/Bindings/WindowObject.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/Event.h>

Userland/Libraries/LibWeb/Layout/BlockBox.cpp

@@ -24,7 +24,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <LibGUI/Painter.h>
+#include <LibGfx/Painter.h>
 #include <LibWeb/CSS/StyleResolver.h>
 #include <LibWeb/Dump.h>
 #include <LibWeb/Layout/BlockBox.h>

Userland/Libraries/LibWeb/Layout/Box.cpp

@@ -24,7 +24,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <LibGUI/Painter.h>
+#include <LibGfx/Painter.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/HTML/HTMLBodyElement.h>
 #include <LibWeb/Layout/BlockBox.h>

Userland/Libraries/LibWeb/Layout/ButtonBox.cpp

@@ -25,8 +25,8 @@
  */
 
 #include <LibGUI/Event.h>
-#include <LibGUI/Painter.h>
 #include <LibGfx/Font.h>
+#include <LibGfx/Painter.h>
 #include <LibGfx/StylePainter.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/Layout/ButtonBox.h>

Userland/Libraries/LibWeb/Layout/CanvasBox.cpp

@@ -24,8 +24,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <LibGUI/Painter.h>
+#include <LibGfx/Painter.h>
-#include <LibGfx/StylePainter.h>
 #include <LibWeb/Layout/CanvasBox.h>
 
 namespace Web::Layout {

Userland/Libraries/LibWeb/Layout/CheckBox.cpp

@@ -25,8 +25,8 @@
  */
 
 #include <LibGUI/Event.h>
-#include <LibGUI/Painter.h>
 #include <LibGfx/Font.h>
+#include <LibGfx/Painter.h>
 #include <LibGfx/StylePainter.h>
 #include <LibWeb/Layout/CheckBox.h>
 #include <LibWeb/Page/Frame.h>

Userland/Libraries/LibWeb/Layout/FrameBox.cpp

@@ -25,10 +25,7 @@
  */
 
 #include <AK/Debug.h>
-#include <LibGUI/Painter.h>
+#include <LibGfx/Painter.h>
-#include <LibGUI/ScrollBar.h>
-#include <LibGUI/Widget.h>
-#include <LibGfx/StylePainter.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/InProcessWebView.h>
 #include <LibWeb/Layout/FrameBox.h>

Userland/Libraries/LibWeb/Layout/ImageBox.cpp

@@ -24,8 +24,8 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <LibGUI/Painter.h>
 #include <LibGfx/FontDatabase.h>
+#include <LibGfx/Painter.h>
 #include <LibGfx/StylePainter.h>
 #include <LibWeb/Layout/ImageBox.h>
 #include <LibWeb/Page/Frame.h>

Userland/Libraries/LibWeb/Layout/LineBoxFragment.cpp

@@ -25,7 +25,7 @@
  */
 
 #include <AK/Utf8View.h>
-#include <LibGUI/Painter.h>
+#include <LibGfx/Painter.h>
 #include <LibWeb/Layout/InitialContainingBlockBox.h>
 #include <LibWeb/Layout/LineBoxFragment.h>
 #include <LibWeb/Layout/TextNode.h>

Userland/Libraries/LibWeb/Layout/ListItemMarkerBox.cpp

@@ -24,7 +24,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <LibGUI/Painter.h>
+#include <LibGfx/Painter.h>
 #include <LibWeb/Layout/ListItemMarkerBox.h>
 
 namespace Web::Layout {

Userland/Libraries/LibWeb/Layout/Node.cpp

@@ -25,8 +25,8 @@
  */
 
 #include <AK/Demangle.h>
-#include <LibGUI/Painter.h>
 #include <LibGfx/FontDatabase.h>
+#include <LibGfx/Painter.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/Dump.h>
 #include <LibWeb/HTML/HTMLHtmlElement.h>

Userland/Libraries/LibWeb/Layout/SVGBox.cpp

@@ -24,8 +24,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <LibGUI/Painter.h>
+#include <LibGfx/Painter.h>
-#include <LibGfx/StylePainter.h>
 #include <LibWeb/Layout/SVGBox.h>
 
 namespace Web::Layout {

Userland/Libraries/LibWeb/Layout/TextNode.cpp

@@ -26,7 +26,7 @@
 
 #include <AK/StringBuilder.h>
 #include <AK/Utf8View.h>
-#include <LibGUI/Painter.h>
+#include <LibGfx/Painter.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/Layout/BlockBox.h>
 #include <LibWeb/Layout/InlineFormattingContext.h>

Userland/Libraries/LibWeb/Page/Page.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
+ * Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -30,10 +30,12 @@
 #include <AK/OwnPtr.h>
 #include <AK/RefPtr.h>
 #include <AK/URL.h>
+#include <AK/WeakPtr.h>
+#include <AK/Weakable.h>
 #include <Kernel/API/KeyCode.h>
-#include <LibGUI/Window.h>
 #include <LibGfx/Forward.h>
 #include <LibGfx/Palette.h>
+#include <LibGfx/StandardCursor.h>
 #include <LibWeb/Forward.h>
 
 namespace Web {