Oilpan: move SVG property hierarchy to the heap.

Source/core/css/SVGCSSComputedStyleDeclaration.cpp

 /*
     Copyright (C) 2007 Eric Seidel <eric@webkit.org>
     Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
 
     This library is distributed in the hope that it will be useful,
@@ skipping 27 matching lines @@
             return CSSPrimitiveValue::create(90.0f, CSSPrimitiveValue::CSS_DEG);
         case GO_180DEG:
             return CSSPrimitiveValue::create(180.0f, CSSPrimitiveValue::CSS_DEG);
         case GO_270DEG:
             return CSSPrimitiveValue::create(270.0f, CSSPrimitiveValue::CSS_DEG);
         default:
             return nullptr;
     }
 }
 
-static PassRefPtrWillBeRawPtr<CSSValue> strokeDashArrayToCSSValueList(PassRefPtr<SVGLengthList> passDashes)
+static PassRefPtrWillBeRawPtr<CSSValue> strokeDashArrayToCSSValueList(PassRefPtrWillBeRawPtr<SVGLengthList> passDashes)
 {
-    RefPtr<SVGLengthList> dashes = passDashes;
+    RefPtrWillBeRawPtr<SVGLengthList> dashes = passDashes;
 
     if (dashes->isEmpty())
         return CSSPrimitiveValue::createIdentifier(CSSValueNone);
 
     RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createCommaSeparated();
     SVGLengthList::ConstIterator it = dashes->begin();
     SVGLengthList::ConstIterator itEnd = dashes->end();
     for (; it != itEnd; ++it)
         list->append(SVGLength::toCSSPrimitiveValue(*it));
 
@@ skipping 178 matching lines @@
     default:
         // If you crash here, it's because you added a css property and are not handling it
         // in either this switch statement or the one in CSSComputedStyleDelcaration::getPropertyCSSValue
         ASSERT_WITH_MESSAGE(0, "unimplemented propertyID: %d", propertyID);
     }
     WTF_LOG_ERROR("unimplemented propertyID: %d", propertyID);
     return nullptr;
 }
 
 }