LibGUI+LibWeb: Use 'decrease_slider_by_steps()' method

This method allow us to avoid repeating the pattern
'set_value(value() - step() * step_number)'.

1 files changed, 2 insertions, 2 deletions

diff --git a/Userland/Libraries/LibWeb/InProcessWebView.cpp b/Userland/Libraries/LibWeb/InProcessWebView.cpp
index 9bcc0062f3..88cf8e9a9a 100644
--- a/Userland/Libraries/LibWeb/InProcessWebView.cpp
+++ b/Userland/Libraries/LibWeb/InProcessWebView.cpp
@@ -257,13 +257,13 @@ void InProcessWebView::keydown_event(GUI::KeyEvent& event)
             vertical_scrollbar().increase_slider_by_steps(1);
             break;
         case Key_Up:
-            vertical_scrollbar().set_value(vertical_scrollbar().value() - vertical_scrollbar().step());
+            vertical_scrollbar().decrease_slider_by_steps(1);
             break;
         case Key_Left:
             horizontal_scrollbar().increase_slider_by_steps(1);
             break;
         case Key_Right:
-            horizontal_scrollbar().set_value(horizontal_scrollbar().value() - horizontal_scrollbar().step());
+            horizontal_scrollbar().decrease_slider_by_steps(1);
             break;
         case Key_PageDown:
             vertical_scrollbar().increase_slider_by(frame_inner_rect().height());