Make SVGLength wrap a CSSPrimitiveValue.

third_party/WebKit/Source/core/svg/SVGLengthContext.cpp

Index: third_party/WebKit/Source/core/svg/SVGLengthContext.cpp
diff --git a/third_party/WebKit/Source/core/svg/SVGLengthContext.cpp b/third_party/WebKit/Source/core/svg/SVGLengthContext.cpp
index 0c3b282c29c6b6a9b00e140ca5417183e8be3b5d..f553158421f727b1c1c0d0772fdae44da33a1052 100644
--- a/third_party/WebKit/Source/core/svg/SVGLengthContext.cpp
+++ b/third_party/WebKit/Source/core/svg/SVGLengthContext.cpp
@@ -183,48 +183,47 @@ 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:
-        return 0;
-    case LengthTypePX:
-    case LengthTypeNumber:
+    case CSSPrimitiveValue::UnitType::Pixels:
+    case CSSPrimitiveValue::UnitType::Number:
+    case CSSPrimitiveValue::UnitType::UserUnits:
         userUnits = value;
         break;
-    case LengthTypePercentage: {
+    case CSSPrimitiveValue::UnitType::Percentage: {
         FloatSize viewportSize;
         if (!determineViewport(viewportSize))
             return 0;
         userUnits = value * dimensionForLengthMode(mode, viewportSize) / 100;
         break;
     }
-    case LengthTypeEMS:
+    case CSSPrimitiveValue::UnitType::Ems:
         userUnits = convertValueFromEMSToUserUnits(computedStyleForLengthResolving(m_context), value);
         break;
-    case LengthTypeEXS:
+    case CSSPrimitiveValue::UnitType::Exs:
         userUnits = convertValueFromEXSToUserUnits(value);
         break;
-    case LengthTypeCM:
+    case CSSPrimitiveValue::UnitType::Centimeters:
         userUnits = value * cssPixelsPerCentimeter;
         break;
-    case LengthTypeMM:
+    case CSSPrimitiveValue::UnitType::Millimeters:
         userUnits = value * cssPixelsPerMillimeter;
         break;
-    case LengthTypeIN:
+    case CSSPrimitiveValue::UnitType::Inches:
         userUnits = value * cssPixelsPerInch;
         break;
-    case LengthTypePT:
+    case CSSPrimitiveValue::UnitType::Points:
         userUnits = value * cssPixelsPerPoint;
         break;
-    case LengthTypePC:
+    case CSSPrimitiveValue::UnitType::Picas:
         userUnits = value * cssPixelsPerPica;
         break;
-    case LengthTypeREMS:
+    case CSSPrimitiveValue::UnitType::Rems:
         userUnits = convertValueFromEMSToUserUnits(rootElementStyle(m_context), value);
         break;
-    case LengthTypeCHS:
+    case CSSPrimitiveValue::UnitType::Chs:
         userUnits = convertValueFromCHSToUserUnits(value);
         break;
     default:
@@ -238,14 +237,14 @@ 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:
-        return 0;
-    case LengthTypeNumber:
+    case CSSPrimitiveValue::UnitType::Pixels:
+    case CSSPrimitiveValue::UnitType::Number:
+    case CSSPrimitiveValue::UnitType::UserUnits:
         return value;
-    case LengthTypePercentage: {
+    case CSSPrimitiveValue::UnitType::Percentage: {
         FloatSize viewportSize;
         if (!determineViewport(viewportSize))
             return 0;
@@ -256,26 +255,26 @@ float SVGLengthContext::convertValueFromUserUnits(float value, SVGLengthMode mod
         // Good for accuracy but could eventually be changed.
         return value * 100 / dimension;
     }
-    case LengthTypeEMS:
+    case CSSPrimitiveValue::UnitType::Ems:
         return convertValueFromUserUnitsToEMS(computedStyleForLengthResolving(m_context), value);
-    case LengthTypeEXS:
+    case CSSPrimitiveValue::UnitType::Exs:
         return convertValueFromUserUnitsToEXS(value);
-    case LengthTypeREMS:
+    case CSSPrimitiveValue::UnitType::Rems:
         return convertValueFromUserUnitsToEMS(rootElementStyle(m_context), value);
-    case LengthTypeCHS:
+    case CSSPrimitiveValue::UnitType::Chs:
         return convertValueFromUserUnitsToCHS(value);
-    case LengthTypePX:
-        return value;
-    case LengthTypeCM:
+    case CSSPrimitiveValue::UnitType::Centimeters:
         return value / cssPixelsPerCentimeter;
-    case LengthTypeMM:
+    case CSSPrimitiveValue::UnitType::Millimeters:
         return value / cssPixelsPerMillimeter;
-    case LengthTypeIN:
+    case CSSPrimitiveValue::UnitType::Inches:
         return value / cssPixelsPerInch;
-    case LengthTypePT:
+    case CSSPrimitiveValue::UnitType::Points:
         return value / cssPixelsPerPoint;
-    case LengthTypePC:
+    case CSSPrimitiveValue::UnitType::Picas:
         return value / cssPixelsPerPica;
+    default:
+        break;
     }
 
     ASSERT_NOT_REACHED();