Remove RenderObject::isMarquee()

Source/core/rendering/RenderLayerScrollableArea.cpp

Index: Source/core/rendering/RenderLayerScrollableArea.cpp
diff --git a/Source/core/rendering/RenderLayerScrollableArea.cpp b/Source/core/rendering/RenderLayerScrollableArea.cpp
index 806fdaf31e92388deb1fa0b23ddf41b13abfe004..e6efd178d18fc200563ef4135e762b5317a58379 100644
--- a/Source/core/rendering/RenderLayerScrollableArea.cpp
+++ b/Source/core/rendering/RenderLayerScrollableArea.cpp
@@ -344,11 +344,9 @@ int RenderLayerScrollableArea::scrollSize(ScrollbarOrientation orientation) cons
 
 void RenderLayerScrollableArea::setScrollOffset(const IntPoint& newScrollOffset)
 {
-    if (!box().isMarquee()) {
-        // Ensure that the dimensions will be computed if they need to be (for overflow:hidden blocks).
-        if (m_scrollDimensionsDirty)
-            computeScrollDimensions();
-    }
+    // Ensure that the dimensions will be computed if they need to be (for overflow:hidden blocks).
+    if (m_scrollDimensionsDirty)
+        computeScrollDimensions();
 
     if (scrollOffset() == toIntSize(newScrollOffset))
         return;
@@ -388,7 +386,7 @@ void RenderLayerScrollableArea::setScrollOffset(const IntPoint& newScrollOffset)
 
     bool requiresPaintInvalidation = true;
 
-    if (!box().isMarquee() && box().view()->compositor()->inCompositingMode()) {
+    if (box().view()->compositor()->inCompositingMode()) {
         // Hits in virtual/gpu/fast/canvas/canvas-scroll-path-into-view.html.
         DisableCompositingQueryAsserts disabler;
         bool onlyScrolledCompositedLayers = scrollsOverflow()
@@ -576,13 +574,11 @@ void RenderLayerScrollableArea::updateAfterLayout()
 
     computeScrollDimensions();
 
-    if (!box().isMarquee()) {
-        // Layout may cause us to be at an invalid scroll position. In this case we need
-        // to pull our scroll offsets back to the max (or push them up to the min).
-        IntSize clampedScrollOffset = clampScrollOffset(adjustedScrollOffset());
-        if (clampedScrollOffset != adjustedScrollOffset())
-            scrollToOffset(clampedScrollOffset);
-    }
+    // Layout may cause us to be at an invalid scroll position. In this case we need
+    // to pull our scroll offsets back to the max (or push them up to the min).
+    IntSize clampedScrollOffset = clampScrollOffset(adjustedScrollOffset());
+    if (clampedScrollOffset != adjustedScrollOffset())
+        scrollToOffset(clampedScrollOffset);
 
     if (originalScrollOffset != adjustedScrollOffset())
         scrollToOffsetWithoutAnimation(-scrollOrigin() + adjustedScrollOffset());