Turn StyleSharing to 11.

sky/engine/core/dom/shadow/ShadowRoot.cpp

Index: sky/engine/core/dom/shadow/ShadowRoot.cpp
diff --git a/sky/engine/core/dom/shadow/ShadowRoot.cpp b/sky/engine/core/dom/shadow/ShadowRoot.cpp
index cc325872964688545343285018b9c5da8765431d..20862cdeea11902e3165b9672278ed66074c8f63 100644
--- a/sky/engine/core/dom/shadow/ShadowRoot.cpp
+++ b/sky/engine/core/dom/shadow/ShadowRoot.cpp
@@ -58,9 +58,6 @@ ShadowRoot::ShadowRoot(Document& document)
 
 ShadowRoot::~ShadowRoot()
 {
-    if (m_shadowRootRareData && m_shadowRootRareData->styleSheets())
-        m_shadowRootRareData->styleSheets()->detachFromDocument();
-
     document().styleEngine()->didRemoveShadowRoot(this);
 
     // We cannot let ContainerNode destructor call willBeDeletedFromDocument()
@@ -235,12 +232,4 @@ const Vector<RefPtr<InsertionPoint> >& ShadowRoot::descendantInsertionPoints()
     return m_shadowRootRareData->descendantInsertionPoints();
 }
 
-StyleSheetList* ShadowRoot::styleSheets()
-{
-    if (!ensureShadowRootRareData()->styleSheets())
-        m_shadowRootRareData->setStyleSheets(StyleSheetList::create(this));
-
-    return m_shadowRootRareData->styleSheets();
-}
-
 }