Introduce LayoutObject::createPositionWithAffinity(int offset)

Source/core/layout/svg/LayoutSVGInlineText.cpp

 /*
  * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
  * Copyright (C) 2006 Apple Computer Inc.
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2008 Rob Buis <buis@kde.org>
  * Copyright (C) Research In Motion Limited 2010. 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 143 matching lines @@
     const SVGCharacterDataMap::const_iterator it = m_layoutAttributes.characterDataMap().find(static_cast<unsigned>(position + 1));
     if (it == m_layoutAttributes.characterDataMap().end())
         return false;
 
     return !SVGTextLayoutAttributes::isEmptyValue(it->value.x) || !SVGTextLayoutAttributes::isEmptyValue(it->value.y);
 }
 
 PositionWithAffinity LayoutSVGInlineText::positionForPoint(const LayoutPoint& point)
 {
     if (!firstTextBox() || !textLength())
-        return createPositionWithAffinity(0, DOWNSTREAM);
+        return createPositionWithAffinity(0);
 
     ASSERT(m_scalingFactor);
     float baseline = m_scaledFont.fontMetrics().floatAscent() / m_scalingFactor;
 
     LayoutBlock* containingBlock = this->containingBlock();
     ASSERT(containingBlock);
 
     // Map local point to absolute point, as the character origins stored in the text fragments use absolute coordinates.
     FloatPoint absolutePoint(point);
     absolutePoint.moveBy(containingBlock->location());
@@ skipping 26 matching lines @@
             if (distance <= closestDistance) {
                 closestDistance = distance;
                 closestDistanceBox = textBox;
                 closestDistanceFragment = &fragment;
                 closestDistancePosition = fragmentRect.x();
             }
         }
     }
 
     if (!closestDistanceFragment)
-        return createPositionWithAffinity(0, DOWNSTREAM);
+        return createPositionWithAffinity(0);
 
     int offset = closestDistanceBox->offsetForPositionInFragment(*closestDistanceFragment, absolutePoint.x() - closestDistancePosition, true);
     return createPositionWithAffinity(offset + closestDistanceBox->start(), offset > 0 ? VP_UPSTREAM_IF_POSSIBLE : DOWNSTREAM);
 }
 
 void LayoutSVGInlineText::updateScaledFont()
 {
     computeNewScaledFontForStyle(this, style(), m_scalingFactor, m_scaledFont);
 }
 
@@ skipping 33 matching lines @@
 
 PassRefPtr<StringImpl> LayoutSVGInlineText::originalText() const
 {
     RefPtr<StringImpl> result = LayoutText::originalText();
     if (!result)
         return nullptr;
     return applySVGWhitespaceRules(result, style() && style()->whiteSpace() == PRE);
 }
 
 }