Reland "Add plumbing for font-stretch"

Source/core/css/CSSPrimitiveValueMappings.h

Index: Source/core/css/CSSPrimitiveValueMappings.h
diff --git a/Source/core/css/CSSPrimitiveValueMappings.h b/Source/core/css/CSSPrimitiveValueMappings.h
index 21a349a696e3b5c7d7157f282777316ffc939fbf..e39a273c08a9094db14db6dc9e81d7df8773f779 100644
--- a/Source/core/css/CSSPrimitiveValueMappings.h
+++ b/Source/core/css/CSSPrimitiveValueMappings.h
@@ -3513,6 +3513,76 @@ template<> inline CSSPrimitiveValue::operator FontStyle() const
     return FontStyleNormal;
 }
 
+template<> inline CSSPrimitiveValue::CSSPrimitiveValue(FontStretch stretch)
+    : CSSValue(PrimitiveClass)
+{
+    fprintf(stderr, "CSSPrimitiveValue::CSSPrimitiveValue(FontStretch stretch)\n");
+    m_primitiveUnitType = CSS_VALUE_ID;
+    switch (stretch) {
+    case FontStretchUltraCondensed:
+        m_value.valueID = CSSValueUltraCondensed;
+        return;
+    case FontStretchExtraCondensed:
+        m_value.valueID = CSSValueExtraCondensed;
+        return;
+    case FontStretchCondensed:
+        m_value.valueID = CSSValueCondensed;
+        return;
+    case FontStretchSemiCondensed:
+        m_value.valueID = CSSValueSemiCondensed;
+        return;
+    case FontStretchNormal:
+        m_value.valueID = CSSValueNormal;
+        return;
+    case FontStretchSemiExpanded:
+        m_value.valueID = CSSValueSemiExpanded;
+        return;
+    case FontStretchExpanded:
+        m_value.valueID = CSSValueExpanded;
+        return;
+    case FontStretchExtraExpanded:
+        m_value.valueID = CSSValueExtraExpanded;
+        return;
+    case FontStretchUltraExpanded:
+        m_value.valueID = CSSValueUltraExpanded;
+        return;
+    }
+
+    ASSERT_NOT_REACHED();
+    m_value.valueID = CSSValueNormal;
+}
+
+template<> inline CSSPrimitiveValue::operator FontStretch() const
+{
+    fprintf(stderr, "CSSPrimitiveValue::operator FontStretch\n");
+    ASSERT(isValueID());
+    switch (m_value.valueID) {
+    case CSSValueUltraCondensed:
+        return FontStretchUltraCondensed;
+    case CSSValueExtraCondensed:
+        return FontStretchExtraCondensed;
+    case CSSValueCondensed:
+        return FontStretchCondensed;
+    case CSSValueSemiCondensed:
+        return FontStretchSemiCondensed;
+    case CSSValueNormal:
+        return FontStretchNormal;
+    case CSSValueSemiExpanded:
+        return FontStretchSemiExpanded;
+    case CSSValueExpanded:
+        return FontStretchExpanded;
+    case CSSValueExtraExpanded:
+        return FontStretchExtraExpanded;
+    case CSSValueUltraExpanded:
+        return FontStretchUltraExpanded;
+    default:
+        break;
+    }
+
+    ASSERT_NOT_REACHED();
+    return FontStretchNormal;
+}
+
 template<> inline CSSPrimitiveValue::CSSPrimitiveValue(FontVariant smallCaps)
     : CSSValue(PrimitiveClass)
 {