Initial implementation of font-size-adjust

Source/core/css/resolver/StyleBuilderConverter.cpp

Index: Source/core/css/resolver/StyleBuilderConverter.cpp
diff --git a/Source/core/css/resolver/StyleBuilderConverter.cpp b/Source/core/css/resolver/StyleBuilderConverter.cpp
index d3cf95a1cc76cf57db3e96e72793973316684a06..ad8ddecabd8025e6fa0322ecbea434213c212432 100644
--- a/Source/core/css/resolver/StyleBuilderConverter.cpp
+++ b/Source/core/css/resolver/StyleBuilderConverter.cpp
@@ -245,6 +245,16 @@ FontDescription::Size StyleBuilderConverter::convertFontSize(StyleResolverState&
     return FontDescription::Size(0, computeFontSize(state, primitiveValue, parentSize), parentIsAbsoluteSize || !primitiveValue->isFontRelativeLength());
 }
 
+float StyleBuilderConverter::convertFontSizeAdjust(StyleResolverState& state, CSSValue* value)
+{
+    CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
+    if (primitiveValue->getValueID() == CSSValueNone)
+        return FontBuilder::initialSizeAdjust();
+
+    ASSERT(primitiveValue->isNumber());
+    return primitiveValue->getFloatValue();
+}
+
 FontWeight StyleBuilderConverter::convertFontWeight(StyleResolverState& state, CSSValue* value)
 {
     CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);