Remove RenderObject::isMarquee()

Source/core/rendering/RenderLayerScrollableArea.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
  *   Randall Jesup <rjesup@wgate.com>
@@ skipping 326 matching lines @@
 }
 
 int RenderLayerScrollableArea::scrollSize(ScrollbarOrientation orientation) const
 {
     IntSize scrollDimensions = maximumScrollPosition() - minimumScrollPosition();
     return (orientation == HorizontalScrollbar) ? scrollDimensions.width() : scrollDimensions.height();
 }
 
 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;
 
     m_scrollOffset = toIntSize(newScrollOffset);
 
     LocalFrame* frame = box().frame();
     ASSERT(frame);
 
     RefPtr<FrameView> frameView = box().frameView();
@@ skipping 19 matching lines @@
     // The caret rect needs to be invalidated after scrolling
     frame->selection().setCaretRectNeedsUpdate();
 
     FloatQuad quadForFakeMouseMoveEvent = FloatQuad(layer()->renderer()->previousPaintInvalidationRect());
 
     quadForFakeMouseMoveEvent = paintInvalidationContainer->localToAbsoluteQuad(quadForFakeMouseMoveEvent);
     frame->eventHandler().dispatchFakeMouseMoveEventSoonInQuad(quadForFakeMouseMoveEvent);
 
     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()
             && !layer()->hasVisibleNonLayerContent()
             && !layer()->hasNonCompositedChild()
             && !layer()->hasBlockSelectionGapBounds()
             && box().style()->backgroundLayers().attachment() != LocalBackgroundAttachment;
 
         if (usesCompositedScrolling() || onlyScrolledCompositedLayers)
             requiresPaintInvalidation = false;
@@ skipping 167 matching lines @@
         scrollToOffsetWithoutAnimation(-scrollOrigin() + newScrollOffset);
 }
 
 void RenderLayerScrollableArea::updateAfterLayout()
 {
     m_scrollDimensionsDirty = true;
     IntSize originalScrollOffset = adjustedScrollOffset();
 
     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());
 
     bool hasHorizontalOverflow = this->hasHorizontalOverflow();
     bool hasVerticalOverflow = this->hasVerticalOverflow();
 
     {
         // Hits in compositing/overflow/automatically-opt-into-composited-scrolling-after-style-change.html.
         DisableCompositingQueryAsserts disabler;
@@ skipping 874 matching lines @@
 void RenderLayerScrollableArea::setTopmostScrollChild(RenderLayer* scrollChild)
 {
     // We only want to track the topmost scroll child for scrollable areas with
     // overlay scrollbars.
     if (!hasOverlayScrollbars())
         return;
     m_nextTopmostScrollChild = scrollChild;
 }
 
 } // namespace blink