Revert 79985 - 2011-03-01 Nikolas Zimmermann <nzimmermann@rim.com>

Source/WebCore/css/CSSStyleDeclaration.cpp

Index: Source/WebCore/css/CSSStyleDeclaration.cpp
===================================================================
--- Source/WebCore/css/CSSStyleDeclaration.cpp	(revision 86165)
+++ Source/WebCore/css/CSSStyleDeclaration.cpp	(working copy)
@@ -22,13 +22,10 @@
 #include "CSSStyleDeclaration.h"
 
 #include "CSSMutableStyleDeclaration.h"
-#include "CSSMutableValue.h"
 #include "CSSParser.h"
 #include "CSSProperty.h"
 #include "CSSPropertyNames.h"
 #include "CSSRule.h"
-#include "Node.h"
-#include "SVGElement.h"
 #include <wtf/ASCIICType.h>
 
 using namespace WTF;
@@ -45,28 +42,7 @@
     int propID = cssPropertyID(propertyName);
     if (!propID)
         return 0;
-
-    // Short-cut, not involving any change to the refcount.
-    if (!isMutableStyleDeclaration())
-        return getPropertyCSSValue(propID);
-
-    // Slow path.
-    RefPtr<CSSValue> value = getPropertyCSSValue(propID);
-    if (!value || !value->isMutableValue())
-        return value.release();
-
-    Node* node = static_cast<CSSMutableStyleDeclaration*>(this)->node();
-    if (!node || !node->isStyledElement())
-        return value.release();
-
-    Node* associatedNode = static_cast<CSSMutableValue*>(value.get())->node();
-    if (associatedNode) {
-        ASSERT(associatedNode == node);
-        return value.release();
-    }
-
-    static_cast<CSSMutableValue*>(value.get())->setNode(node);
-    return value.release();
+    return getPropertyCSSValue(propID);
 }
 
 String CSSStyleDeclaration::getPropertyValue(const String &propertyName)