Avoiding losing too much precision when hit-testing SVG <text>

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

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2006 Alexander Kellett <lypanov@kde.org>
  * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2008 Rob Buis <buis@kde.org>
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 2010-2012. All rights reserved.
  * Copyright (C) 2012 Google Inc.
  *
@@ skipping 402 matching lines @@
         if ((hitRules.canHitBoundingBox && !objectBoundingBox().isEmpty())
             || (hitRules.canHitStroke && (style()->svgStyle().hasStroke() || !hitRules.requireStroke))
             || (hitRules.canHitFill && (style()->svgStyle().hasFill() || !hitRules.requireFill))) {
             FloatPoint localPoint;
             if (!SVGLayoutSupport::transformToUserSpaceAndCheckClipping(this, localToParentTransform(), pointInParent, localPoint))
                 return false;
 
             if (hitRules.canHitBoundingBox && !objectBoundingBox().contains(localPoint))
                 return false;
 
-            HitTestLocation hitTestLocation(LayoutPoint(flooredIntPoint(localPoint)));
+            HitTestLocation hitTestLocation(localPoint);
             return LayoutBlock::nodeAtPoint(result, hitTestLocation, LayoutPoint(), hitTestAction);
         }
     }
 
     return false;
 }
 
 PositionWithAffinity LayoutSVGText::positionForPoint(const LayoutPoint& pointInContents)
 {
     RootInlineBox* rootBox = firstRootBox();
@@ skipping 87 matching lines @@
         paintInvalidationState.pushDelayedPaintInvalidationTarget(*this);
 
     ForceHorriblySlowRectMapping slowRectMapping(&paintInvalidationState);
     PaintInvalidationState childTreeWalkState(paintInvalidationState, *this, paintInvalidationState.paintInvalidationContainer());
     if (reason == PaintInvalidationSVGResourceChange)
         childTreeWalkState.setForceSubtreeInvalidationWithinContainer();
     invalidatePaintOfSubtreesIfNeeded(childTreeWalkState);
 }
 
 } // namespace blink