Remove Backslash-as-JPY hack

Source/core/platform/graphics/Font.h

Index: Source/core/platform/graphics/Font.h
diff --git a/Source/core/platform/graphics/Font.h b/Source/core/platform/graphics/Font.h
index 50704d0a29b89f59eeaf5ae6428541a4ec7446ed..1b08ec3879973eaa1242ff3cbceb31ccada9e1a9 100644
--- a/Source/core/platform/graphics/Font.h
+++ b/Source/core/platform/graphics/Font.h
@@ -232,7 +232,6 @@ public:
     static String normalizeSpaces(const LChar*, unsigned length);
     static String normalizeSpaces(const UChar*, unsigned length);
 
-    bool needsTranscoding() const { return m_needsTranscoding; }
     FontFallbackList* fontList() const { return m_fontFallbackList.get(); }
 
     void willUseFontData() const;
@@ -292,7 +291,6 @@ private:
     float m_letterSpacing;
     float m_wordSpacing;
     bool m_isPlatformFont;
-    bool m_needsTranscoding;
     mutable unsigned m_typesettingFeatures : 2; // (TypesettingFeatures) Caches values computed from m_fontDescription.
 };