LibGUI: Add forwarding header

This patch adds <LibGUI/Forward.h> and uses it a bunch.
It also dragged various header dependency reduction changes into it.

3 files changed, 1 insertions, 14 deletions

diff --git a/DevTools/VisualBuilder/VBPropertiesWindow.h b/DevTools/VisualBuilder/VBPropertiesWindow.h
index c060cbbd8f..9900bb1dcd 100644
--- a/DevTools/VisualBuilder/VBPropertiesWindow.h
+++ b/DevTools/VisualBuilder/VBPropertiesWindow.h
@@ -28,11 +28,6 @@
 
 #include <LibGUI/Window.h>
 
-namespace GUI {
-class TableView;
-class TextBox;
-}
-
 class VBPropertiesWindow final : public GUI::Window {
     C_OBJECT(VBPropertiesWindow)
 public:
diff --git a/DevTools/VisualBuilder/VBProperty.h b/DevTools/VisualBuilder/VBProperty.h
index 089908328e..1d6e44f4e0 100644
--- a/DevTools/VisualBuilder/VBProperty.h
+++ b/DevTools/VisualBuilder/VBProperty.h
@@ -28,12 +28,9 @@
 
 #include <AK/Function.h>
 #include <AK/String.h>
+#include <LibGUI/Forward.h>
 #include <LibGUI/Variant.h>
 
-namespace GUI {
-class Widget;
-}
-
 class VBWidget;
 
 class VBProperty {
diff --git a/DevTools/VisualBuilder/VBWidget.h b/DevTools/VisualBuilder/VBWidget.h
index 08c5be2597..7039b1a3c1 100644
--- a/DevTools/VisualBuilder/VBWidget.h
+++ b/DevTools/VisualBuilder/VBWidget.h
@@ -36,11 +36,6 @@
 #include <LibGfx/Rect.h>
 #include <LibGUI/Widget.h>
 
-namespace GUI {
-class Painter;
-class Variant;
-}
-
 class VBForm;
 class VBProperty;
 class VBWidgetPropertyModel;