[svg2] Make SVGLength wrap a CSSPrimitiveValue

Source/core/svg/SVGLengthContext.cpp

Index: Source/core/svg/SVGLengthContext.cpp
diff --git a/Source/core/svg/SVGLengthContext.cpp b/Source/core/svg/SVGLengthContext.cpp
index 64a81dc98699c57e63e50401072efcbf735cdd86..4085346f42f21be9af82d63b92c603f08e527c16 100644
--- a/Source/core/svg/SVGLengthContext.cpp
+++ b/Source/core/svg/SVGLengthContext.cpp
@@ -183,48 +183,48 @@ float SVGLengthContext::valueForLength(const Length& length, float zoom, float d
     return floatValueForLength(length, dimension * zoom) / zoom;
 }
 
-float SVGLengthContext::convertValueToUserUnits(float value, SVGLengthMode mode, SVGLengthType fromUnit) const
+float SVGLengthContext::convertValueToUserUnits(float value, SVGLengthMode mode, CSSPrimitiveValue::UnitType fromUnit) const
 {
     float userUnits = value;
     switch (fromUnit) {
-    case LengthTypeUnknown:
+    case CSSPrimitiveValue::CSS_UNKNOWN:
         return 0;
-    case LengthTypePX:
-    case LengthTypeNumber:
+    case CSSPrimitiveValue::CSS_PX:
+    case CSSPrimitiveValue::CSS_NUMBER:
         userUnits = value;
         break;
-    case LengthTypePercentage: {
+    case CSSPrimitiveValue::CSS_PERCENTAGE: {
         FloatSize viewportSize;
         if (!determineViewport(viewportSize))
             return 0;
         userUnits = value * dimensionForLengthMode(mode, viewportSize) / 100;
         break;
     }
-    case LengthTypeEMS:
+    case CSSPrimitiveValue::CSS_EMS:
         userUnits = convertValueFromEMSToUserUnits(computedStyleForLengthResolving(m_context), value);
         break;
-    case LengthTypeEXS:
+    case CSSPrimitiveValue::CSS_EXS:
         userUnits = convertValueFromEXSToUserUnits(value);
         break;
-    case LengthTypeCM:
+    case CSSPrimitiveValue::CSS_CM:
         userUnits = value * cssPixelsPerCentimeter;
         break;
-    case LengthTypeMM:
+    case CSSPrimitiveValue::CSS_MM:
         userUnits = value * cssPixelsPerMillimeter;
         break;
-    case LengthTypeIN:
+    case CSSPrimitiveValue::CSS_IN:
         userUnits = value * cssPixelsPerInch;
         break;
-    case LengthTypePT:
+    case CSSPrimitiveValue::CSS_PT:
         userUnits = value * cssPixelsPerPoint;
         break;
-    case LengthTypePC:
+    case CSSPrimitiveValue::CSS_PC:
         userUnits = value * cssPixelsPerPica;
         break;
-    case LengthTypeREMS:
+    case CSSPrimitiveValue::CSS_REMS:
         userUnits = convertValueFromEMSToUserUnits(rootElementStyle(m_context), value);
         break;
-    case LengthTypeCHS:
+    case CSSPrimitiveValue::CSS_CHS:
         userUnits = convertValueFromCHSToUserUnits(value);
         break;
     default:
@@ -238,14 +238,15 @@ float SVGLengthContext::convertValueToUserUnits(float value, SVGLengthMode mode,
     return CSSPrimitiveValue::clampToCSSLengthRange(userUnits);
 }
 
-float SVGLengthContext::convertValueFromUserUnits(float value, SVGLengthMode mode, SVGLengthType toUnit) const
+float SVGLengthContext::convertValueFromUserUnits(float value, SVGLengthMode mode, CSSPrimitiveValue::UnitType toUnit) const
 {
     switch (toUnit) {
-    case LengthTypeUnknown:
+    case CSSPrimitiveValue::CSS_UNKNOWN:
         return 0;
-    case LengthTypeNumber:
+    case CSSPrimitiveValue::CSS_PX:
+    case CSSPrimitiveValue::CSS_NUMBER:
         return value;
-    case LengthTypePercentage: {
+    case CSSPrimitiveValue::CSS_PERCENTAGE: {
         FloatSize viewportSize;
         if (!determineViewport(viewportSize))
             return 0;
@@ -256,26 +257,26 @@ float SVGLengthContext::convertValueFromUserUnits(float value, SVGLengthMode mod
         // Good for accuracy but could eventually be changed.
         return value * 100 / dimension;
     }
-    case LengthTypeEMS:
+    case CSSPrimitiveValue::CSS_EMS:
         return convertValueFromUserUnitsToEMS(computedStyleForLengthResolving(m_context), value);
-    case LengthTypeEXS:
+    case CSSPrimitiveValue::CSS_EXS:
         return convertValueFromUserUnitsToEXS(value);
-    case LengthTypeREMS:
+    case CSSPrimitiveValue::CSS_REMS:
         return convertValueFromUserUnitsToEMS(rootElementStyle(m_context), value);
-    case LengthTypeCHS:
+    case CSSPrimitiveValue::CSS_CHS:
         return convertValueFromUserUnitsToCHS(value);
-    case LengthTypePX:
-        return value;
-    case LengthTypeCM:
+    case CSSPrimitiveValue::CSS_CM:
         return value / cssPixelsPerCentimeter;
-    case LengthTypeMM:
+    case CSSPrimitiveValue::CSS_MM:
         return value / cssPixelsPerMillimeter;
-    case LengthTypeIN:
+    case CSSPrimitiveValue::CSS_IN:
         return value / cssPixelsPerInch;
-    case LengthTypePT:
+    case CSSPrimitiveValue::CSS_PT:
         return value / cssPixelsPerPoint;
-    case LengthTypePC:
+    case CSSPrimitiveValue::CSS_PC:
         return value / cssPixelsPerPica;
+    default:
+        break;
     }
 
     ASSERT_NOT_REACHED();