Remove pixel-snapping from LayoutSVGRoot::OverflowClipRect

third_party/WebKit/Source/core/layout/svg/LayoutSVGRoot.cpp

 /*
  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2007, 2008, 2009 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Google, Inc.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 218 matching lines @@
 
 LayoutRect LayoutSVGRoot::VisualOverflowRect() const {
   LayoutRect rect = LayoutReplaced::SelfVisualOverflowRect();
   if (!ShouldApplyViewportClip())
     rect.Unite(ContentsVisualOverflowRect());
   return rect;
 }
 
 LayoutRect LayoutSVGRoot::OverflowClipRect(const LayoutPoint& location,
                                            OverlayScrollbarClipBehavior) const {
-  return LayoutRect(PixelSnappedIntRect(LayoutReplaced::OverflowClipRect(
-      location, kIgnorePlatformOverlayScrollbarSize)));
+  return LayoutReplaced::OverflowClipRect(location,

[pdr., 2017/04/17 20:12:20]

How does this not change test results?

Can we remove the LayoutSVGRoot::VisualOverflowRect override entirely?

+                                          kIgnorePlatformOverlayScrollbarSize);
 }
 
 void LayoutSVGRoot::PaintReplaced(const PaintInfo& paint_info,
                                   const LayoutPoint& paint_offset) const {
   SVGRootPainter(*this).PaintReplaced(paint_info, paint_offset);
 }
 
 void LayoutSVGRoot::WillBeDestroyed() {
   SVGResourcesCache::ClientDestroyed(this);
   LayoutReplaced::WillBeDestroyed();
@@ skipping 241 matching lines @@
       if (result.AddNodeToListBasedTestResult(GetNode(), location_in_container,
                                               bounds_rect) == kStopHitTesting)
         return true;
     }
   }
 
   return false;
 }
 
 }  // namespace blink