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 c2c67c5d0a68af2a1f03461d05f35ea5b2f29b9f..6fd6eb4a0e6cab1f4d25061181b6233b375eab5f 100644
--- a/Source/core/frame/LocalFrame.cpp
+++ b/Source/core/frame/LocalFrame.cpp
@@ -520,7 +520,9 @@ 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);
         }
     }