Replace various ScrollableArea scroll methods with setScrollPosition

Source/core/frame/LocalFrame.cpp

Index: Source/core/frame/LocalFrame.cpp
diff --git a/Source/core/frame/LocalFrame.cpp b/Source/core/frame/LocalFrame.cpp
index 22e07c9be0174e5bf295af218e85d8862a500f40..fae19d435e8f8e24232c3c16219d196c5fd06dcb 100644
--- a/Source/core/frame/LocalFrame.cpp
+++ b/Source/core/frame/LocalFrame.cpp
@@ -534,7 +534,9 @@ void LocalFrame::setPageAndTextZoomFactors(float pageZoomFactor, float textZoomF
             // Update the scroll position when doing a full page zoom, so the content stays in relatively the same position.
             LayoutPoint scrollPosition = view->scrollPosition();
             float percentDifference = (pageZoomFactor / m_pageZoomFactor);
-            view->setScrollPosition(DoublePoint(scrollPosition.x() * percentDifference, scrollPosition.y() * percentDifference));
+            view->setScrollPosition(
+                DoublePoint(scrollPosition.x() * percentDifference, scrollPosition.y() * percentDifference),
+                ProgrammaticScroll);
         }
     }