Oilpan: Move CSSStyleDeclaration and subclasses to the heap using transistion types.

Source/core/inspector/InspectorStyleSheet.cpp

Index: Source/core/inspector/InspectorStyleSheet.cpp
diff --git a/Source/core/inspector/InspectorStyleSheet.cpp b/Source/core/inspector/InspectorStyleSheet.cpp
index e159795e413ed3af1cf4bd99b91b40cb3d02dee7..cfa56a5e6f6589b5e4ad67fec3f52d7e2e83b6dc 100644
--- a/Source/core/inspector/InspectorStyleSheet.cpp
+++ b/Source/core/inspector/InspectorStyleSheet.cpp
@@ -504,12 +504,12 @@ static PassRefPtrWillBeRawPtr<CSSRuleList> asCSSRuleList(CSSRule* rule)
     return nullptr;
 }
 
-PassRefPtr<InspectorStyle> InspectorStyle::create(const InspectorCSSId& styleId, PassRefPtr<CSSStyleDeclaration> style, InspectorStyleSheetBase* parentStyleSheet)
+PassRefPtr<InspectorStyle> InspectorStyle::create(const InspectorCSSId& styleId, PassRefPtrWillBeRawPtr<CSSStyleDeclaration> style, InspectorStyleSheetBase* parentStyleSheet)
 {
     return adoptRef(new InspectorStyle(styleId, style, parentStyleSheet));
 }
 
-InspectorStyle::InspectorStyle(const InspectorCSSId& styleId, PassRefPtr<CSSStyleDeclaration> style, InspectorStyleSheetBase* parentStyleSheet)
+InspectorStyle::InspectorStyle(const InspectorCSSId& styleId, PassRefPtrWillBeRawPtr<CSSStyleDeclaration> style, InspectorStyleSheetBase* parentStyleSheet)
     : m_styleId(styleId)
     , m_style(style)
     , m_parentStyleSheet(parentStyleSheet)