CSSValue Immediates: Change CSSValue to an object instead of a pointer

Source/core/editing/ApplyStyleCommand.cpp

 /*
  * Copyright (C) 2005, 2006, 2008, 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 396 matching lines @@
             element = span.release();
         }  else {
             // Only handle HTML elements and text nodes.
             continue;
         }
         lastStyledNode = node;
 
         RefPtrWillBeRawPtr<MutableStylePropertySet> inlineStyle = copyStyleOrCreateEmpty(element->inlineStyle());
         float currentFontSize = computedFontSize(node);
         float desiredFontSize = max(MinimumFontSize, startingFontSizes.get(node) + style->fontSizeDelta());
-        RefPtrWillBeRawPtr<CSSValue> value = inlineStyle->getPropertyCSSValue(CSSPropertyFontSize);
+        NullableCSSValue value = inlineStyle->getPropertyCSSValue(CSSPropertyFontSize);
         if (value) {
             element->removeInlineStyleProperty(CSSPropertyFontSize);
             currentFontSize = computedFontSize(node);
         }
         if (currentFontSize != desiredFontSize) {
             inlineStyle->setProperty(CSSPropertyFontSize, cssValuePool().createValue(desiredFontSize, CSSPrimitiveValue::CSS_PX), false);
             setNodeAttribute(element.get(), styleAttr, AtomicString(inlineStyle->asText()));
         }
         if (inlineStyle->isEmpty()) {
             removeElementAttribute(element.get(), styleAttr);
@@ skipping 1109 matching lines @@
 
 float ApplyStyleCommand::computedFontSize(Node* node)
 {
     if (!node)
         return 0;
 
     RefPtrWillBeRawPtr<CSSComputedStyleDeclaration> style = CSSComputedStyleDeclaration::create(node);
     if (!style)
         return 0;
 
-    RefPtrWillBeRawPtr<CSSPrimitiveValue> value = static_pointer_cast<CSSPrimitiveValue>(style->getPropertyCSSValue(CSSPropertyFontSize));
+    NullableCSSValue value = style->getPropertyCSSValue(CSSPropertyFontSize);
     if (!value)
         return 0;
 
-    ASSERT(value->primitiveType() == CSSPrimitiveValue::CSS_PX);
-    return value->getFloatValue();
+    CSSPrimitiveValue& primitiveValue = toCSSPrimitiveValue(*value);
+    ASSERT(primitiveValue.primitiveType() == CSSPrimitiveValue::CSS_PX);
+    return primitiveValue.getFloatValue();
 }
 
 void ApplyStyleCommand::joinChildTextNodes(ContainerNode* node, const Position& start, const Position& end)
 {
     if (!node)
         return;
 
     Position newStart = start;
     Position newEnd = end;
 
@@ skipping 28 matching lines @@
 DEFINE_TRACE(ApplyStyleCommand)
 {
     visitor->trace(m_style);
     visitor->trace(m_start);
     visitor->trace(m_end);
     visitor->trace(m_styledInlineElement);
     CompositeEditCommand::trace(visitor);
 }
 
 }