Disable scroll anchoring when in printing mode

third_party/WebKit/Source/core/paint/PaintLayerScrollableArea.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@gmail.com>
@@ skipping 812 matching lines @@
     ScrollableArea::setScrollOffset(scrollOffset(), ProgrammaticScroll);
 
   setNeedsScrollOffsetClamp(false);
   resetScrollOriginChanged();
   m_scrollbarManager.destroyDetachedScrollbars();
 }
 
 bool PaintLayerScrollableArea::shouldPerformScrollAnchoring() const {
   return RuntimeEnabledFeatures::scrollAnchoringEnabled() &&
          m_scrollAnchor.hasScroller() &&
-         layoutBox()->style()->overflowAnchor() != AnchorNone;
+         layoutBox()->style()->overflowAnchor() != AnchorNone &&
+         !box().document().finishingOrIsPrinting();
 }
 
 ScrollBehavior PaintLayerScrollableArea::scrollBehaviorStyle() const {
   return box().style()->getScrollBehavior();
 }
 
 bool PaintLayerScrollableArea::hasHorizontalOverflow() const {
   // TODO(szager): Make the algorithm for adding/subtracting overflow:auto
   // scrollbars memoryless (crbug.com/625300).  This clientWidth hack will
   // prevent the spurious horizontal scrollbar, but it can cause a converse
@@ skipping 1134 matching lines @@
 
 void PaintLayerScrollableArea::DelayScrollOffsetClampScope::
     clampScrollableAreas() {
   for (auto& scrollableArea : *s_needsClamp)
     scrollableArea->clampScrollOffsetsAfterLayout();
   delete s_needsClamp;
   s_needsClamp = nullptr;
 }
 
 }  // namespace blink