Remove style element counting in ShadowRoot.

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 20862cdeea11902e3165b9672278ed66074c8f63..8921aa3b8d9eec69426ee910f102f4e0079071d3 100644
--- a/sky/engine/core/dom/shadow/ShadowRoot.cpp
+++ b/sky/engine/core/dom/shadow/ShadowRoot.cpp
@@ -50,7 +50,6 @@ COMPILE_ASSERT(sizeof(ShadowRoot) == sizeof(SameSizeAsShadowRoot), shadowroot_sh
 ShadowRoot::ShadowRoot(Document& document)
     : DocumentFragment(0, CreateShadowRoot)
     , TreeScope(*this, document)
-    , m_numberOfStyles(0)
     , m_registeredWithParentShadowRoot(false)
     , m_descendantInsertionPointsIsValid(false)
 {
@@ -146,17 +145,6 @@ void ShadowRoot::removedFrom(ContainerNode* insertionPoint)
     DocumentFragment::removedFrom(insertionPoint);
 }
 
-void ShadowRoot::registerScopedHTMLStyleChild()
-{
-    ++m_numberOfStyles;
-}
-
-void ShadowRoot::unregisterScopedHTMLStyleChild()
-{
-    ASSERT(m_numberOfStyles > 0);
-    --m_numberOfStyles;
-}
-
 ShadowRootRareData* ShadowRoot::ensureShadowRootRareData()
 {
     if (m_shadowRootRareData)