Introduce LayoutObject::createPositionWithAffinity(int offset)

Source/core/layout/svg/LayoutSVGInlineText.cpp

Index: Source/core/layout/svg/LayoutSVGInlineText.cpp
diff --git a/Source/core/layout/svg/LayoutSVGInlineText.cpp b/Source/core/layout/svg/LayoutSVGInlineText.cpp
index 5274a5264e124fcb8913083bfac7b99c31d35fa1..541928e3c668d118d0583ebb33180913227b00bb 100644
--- a/Source/core/layout/svg/LayoutSVGInlineText.cpp
+++ b/Source/core/layout/svg/LayoutSVGInlineText.cpp
@@ -161,7 +161,7 @@ bool LayoutSVGInlineText::characterStartsNewTextChunk(int position) const
 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;
@@ -208,7 +208,7 @@ PositionWithAffinity LayoutSVGInlineText::positionForPoint(const LayoutPoint& po
     }
 
     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);