CSSValue Immediates: Add move operators to CSSPrimitiveValue

Source/core/css/resolver/ViewportStyleResolver.cpp

Index: Source/core/css/resolver/ViewportStyleResolver.cpp
diff --git a/Source/core/css/resolver/ViewportStyleResolver.cpp b/Source/core/css/resolver/ViewportStyleResolver.cpp
index 23f0dae69ac0ee309a4f8fbb106fe1a4c1cb2665..fbfbc91fce7d4061e79872559c9430e0c77702d4 100644
--- a/Source/core/css/resolver/ViewportStyleResolver.cpp
+++ b/Source/core/css/resolver/ViewportStyleResolver.cpp
@@ -137,20 +137,20 @@ float ViewportStyleResolver::viewportArgumentValue(CSSPropertyID id) const
     if (id == CSSPropertyUserZoom)
         defaultValue = 1;
 
-    NullableCSSValue value = m_propertySet->getPropertyCSSValue(id);
+    const NullableCSSValue& value = m_propertySet->getPropertyCSSValue(id);
     if (!value || !value->isPrimitiveValue())
         return defaultValue;
 
-    CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
+    const CSSPrimitiveValue& primitiveValue = toCSSPrimitiveValue(value);
 
-    if (primitiveValue->isNumber() || primitiveValue->isPx())
-        return primitiveValue->getFloatValue();
+    if (primitiveValue.isNumber() || primitiveValue.isPx())
+        return primitiveValue.getFloatValue();
 
-    if (primitiveValue->isFontRelativeLength())
-        return primitiveValue->getFloatValue() * m_document->computedStyle()->fontDescription().computedSize();
+    if (primitiveValue.isFontRelativeLength())
+        return primitiveValue.getFloatValue() * m_document->computedStyle()->fontDescription().computedSize();
 
-    if (primitiveValue->isPercentage()) {
-        float percentValue = primitiveValue->getFloatValue() / 100.0f;
+    if (primitiveValue.isPercentage()) {
+        float percentValue = primitiveValue.getFloatValue() / 100.0f;
         switch (id) {
         case CSSPropertyMaxZoom:
         case CSSPropertyMinZoom:
@@ -162,7 +162,7 @@ float ViewportStyleResolver::viewportArgumentValue(CSSPropertyID id) const
         }
     }
 
-    switch (primitiveValue->getValueID()) {
+    switch (primitiveValue.getValueID()) {
     case CSSValueAuto:
         return defaultValue;
     case CSSValueLandscape:
@@ -187,13 +187,13 @@ Length ViewportStyleResolver::viewportLengthValue(CSSPropertyID id) const
         || id == CSSPropertyMaxWidth
         || id == CSSPropertyMinWidth);
 
-    NullableCSSValue value = m_propertySet->getPropertyCSSValue(id);
+    const NullableCSSValue& value = m_propertySet->getPropertyCSSValue(id);
     if (!value || !value->isPrimitiveValue())
         return Length(); // auto
 
-    CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
+    const CSSPrimitiveValue& primitiveValue = toCSSPrimitiveValue(value);
 
-    if (primitiveValue->getValueID() == CSSValueInternalExtendToZoom)
+    if (primitiveValue.getValueID() == CSSValueInternalExtendToZoom)
         return Length(ExtendToZoom);
 
     ComputedStyle* documentStyle = m_document->mutableComputedStyle();
@@ -209,10 +209,10 @@ Length ViewportStyleResolver::viewportLengthValue(CSSPropertyID id) const
     CSSToLengthConversionData::FontSizes fontSizes(documentStyle, documentStyle);
     CSSToLengthConversionData::ViewportSize viewportSize(width, height);
 
-    if (primitiveValue->getValueID() == CSSValueAuto)
+    if (primitiveValue.getValueID() == CSSValueAuto)
         return Length(Auto);
 
-    Length result = primitiveValue->convertToLength(CSSToLengthConversionData(documentStyle, fontSizes, viewportSize, 1.0f));
+    Length result = primitiveValue.convertToLength(CSSToLengthConversionData(documentStyle, fontSizes, viewportSize, 1.0f));
     if (documentStyle->hasViewportUnits())
         m_document->setHasViewportUnits();
     documentStyle->setHasViewportUnits(documentStyleHasViewportUnits);