Get rid of SVGTextMetrics functions without an explicit TextDirection

Source/core/layout/svg/SVGTextMetrics.cpp

Index: Source/core/layout/svg/SVGTextMetrics.cpp
diff --git a/Source/core/layout/svg/SVGTextMetrics.cpp b/Source/core/layout/svg/SVGTextMetrics.cpp
index 6cdced0fe67c4b1d5f5a6d5bf917e403985c0cbb..68beeb2e8370aca7b47265d0f26d547f6ead88c8 100644
--- a/Source/core/layout/svg/SVGTextMetrics.cpp
+++ b/Source/core/layout/svg/SVGTextMetrics.cpp
@@ -56,12 +56,6 @@ SVGTextMetrics::SVGTextMetrics(LayoutSVGInlineText* textRenderer, const TextRun&
     m_length = static_cast<unsigned>(run.length());
 }
 
-TextRun SVGTextMetrics::constructTextRun(LayoutSVGInlineText* text, unsigned position, unsigned length)
-{
-    ASSERT(text->style());
-    return constructTextRun(text, position, length, text->style()->direction());
-}
-
 TextRun SVGTextMetrics::constructTextRun(LayoutSVGInlineText* text, unsigned position, unsigned length, TextDirection textDirection)
 {
     const LayoutStyle& style = text->styleRef();
@@ -96,12 +90,6 @@ SVGTextMetrics SVGTextMetrics::measureCharacterRange(LayoutSVGInlineText* text,
     return SVGTextMetrics(text, constructTextRun(text, position, length, textDirection));
 }
 
-SVGTextMetrics SVGTextMetrics::measureCharacterRange(LayoutSVGInlineText* text, unsigned position, unsigned length)
-{
-    ASSERT(text);
-    return SVGTextMetrics(text, constructTextRun(text, position, length));
-}
-
 SVGTextMetrics::SVGTextMetrics(LayoutSVGInlineText* text, unsigned position, unsigned length, float width)
 {
     ASSERT(text);