Remove ShadowRoot::numberOfStyles().

third_party/WebKit/Source/core/svg/SVGStyleElement.cpp

Index: third_party/WebKit/Source/core/svg/SVGStyleElement.cpp
diff --git a/third_party/WebKit/Source/core/svg/SVGStyleElement.cpp b/third_party/WebKit/Source/core/svg/SVGStyleElement.cpp
index 8a11d0075511ab61a5290b3792a87a9adbd50533..284116bde2055a44b033fd7efa16f9a237a4edea 100644
--- a/third_party/WebKit/Source/core/svg/SVGStyleElement.cpp
+++ b/third_party/WebKit/Source/core/svg/SVGStyleElement.cpp
@@ -106,7 +106,6 @@ void SVGStyleElement::finishParsingChildren() {
 Node::InsertionNotificationRequest SVGStyleElement::insertedInto(
     ContainerNode* insertionPoint) {
   SVGElement::insertedInto(insertionPoint);
-  StyleElement::insertedInto(*this, insertionPoint);
   return InsertionShouldCallDidNotifySubtreeInsertions;
 }