Make style building for 'font-size' less custom.

Source/core/css/resolver/StyleBuilderCustom.cpp

Index: Source/core/css/resolver/StyleBuilderCustom.cpp
diff --git a/Source/core/css/resolver/StyleBuilderCustom.cpp b/Source/core/css/resolver/StyleBuilderCustom.cpp
index 105bd34f22734c110d9ad62f5f6fbe1d2275172f..fd4f6206e8e63e395f24bfb6c27d9fde2400d592 100644
--- a/Source/core/css/resolver/StyleBuilderCustom.cpp
+++ b/Source/core/css/resolver/StyleBuilderCustom.cpp
@@ -292,21 +292,6 @@ void StyleBuilderFunctions::applyValueCSSPropertyFontFamily(StyleResolverState&
     state.fontBuilder().setFontFamilyValue(value);
 }
 
-void StyleBuilderFunctions::applyInitialCSSPropertyFontSize(StyleResolverState& state)
-{
-    state.fontBuilder().setFontSizeInitial();
-}
-
-void StyleBuilderFunctions::applyInheritCSSPropertyFontSize(StyleResolverState& state)
-{
-    state.fontBuilder().setFontSizeInherit(state.parentFontDescription());
-}
-
-void StyleBuilderFunctions::applyValueCSSPropertyFontSize(StyleResolverState& state, CSSValue* value)
-{
-    state.fontBuilder().setFontSizeValue(value, state.parentStyle(), state.rootElementStyle());
-}
-
 void StyleBuilderFunctions::applyValueCSSPropertyGlyphOrientationVertical(StyleResolverState& state, CSSValue* value)
 {
     if (value->isPrimitiveValue() && toCSSPrimitiveValue(value)->getValueID() == CSSValueAuto)