CustomElements: adopt node

third_party/WebKit/Source/core/dom/Element.cpp

Index: third_party/WebKit/Source/core/dom/Element.cpp
diff --git a/third_party/WebKit/Source/core/dom/Element.cpp b/third_party/WebKit/Source/core/dom/Element.cpp
index 9cce24f6a0f58afd4ba5c6ec0704733e4ab0c8db..f24eff86edf8c2be8df5160278b3683793cb811e 100644
--- a/third_party/WebKit/Source/core/dom/Element.cpp
+++ b/third_party/WebKit/Source/core/dom/Element.cpp
@@ -1941,7 +1941,22 @@ void Element::setNeedsCompositingUpdate()
     layoutObject->layer()->updateSelfPaintingLayer();
 }
 
-void Element::setCustomElementDefinition(V0CustomElementDefinition* definition)
+void Element::v0setCustomElementDefinition(V0CustomElementDefinition* definition)
+{
+    if (!hasRareData() && !definition)
+        return;
+    DCHECK(!v0customElementDefinition());
+    ensureElementRareData().v0setCustomElementDefinition(definition);
+}
+
+V0CustomElementDefinition* Element::v0customElementDefinition() const
+{
+    if (hasRareData())
+        return elementRareData()->v0customElementDefinition();
+    return nullptr;
+}
+
+void Element::setCustomElementDefinition(CustomElementDefinition* definition)

[dominicc (has gone to gerrit), 2016/08/03 07:56:56]

I don't think we should allow setting the definition to nullptr.

 {
     if (!hasRareData() && !definition)
         return;
@@ -1949,7 +1964,7 @@ void Element::setCustomElementDefinition(V0CustomElementDefinition* definition)
     ensureElementRareData().setCustomElementDefinition(definition);
 }
 
-V0CustomElementDefinition* Element::customElementDefinition() const
+CustomElementDefinition* Element::customElementDefinition() const
 {
     if (hasRareData())
         return elementRareData()->customElementDefinition();