Rename Document::attach/detachLayoutTree to Document::initialize/shutdown

third_party/WebKit/Source/core/html/PluginDocument.cpp

Index: third_party/WebKit/Source/core/html/PluginDocument.cpp
diff --git a/third_party/WebKit/Source/core/html/PluginDocument.cpp b/third_party/WebKit/Source/core/html/PluginDocument.cpp
index b27834ce3530c4de36897a4df4f26cf9dfa0da15..36324a0708a99cd5cd051fe30ff82df189070336 100644
--- a/third_party/WebKit/Source/core/html/PluginDocument.cpp
+++ b/third_party/WebKit/Source/core/html/PluginDocument.cpp
@@ -192,11 +192,11 @@ Node* PluginDocument::pluginNode()
     return m_pluginNode.get();
 }
 
-void PluginDocument::detachLayoutTree(const AttachContext& context)
+void PluginDocument::shutdown()
 {
     // Release the plugin node so that we don't have a circular reference.
     m_pluginNode = nullptr;
-    HTMLDocument::detachLayoutTree(context);
+    HTMLDocument::shutdown();
 }
 
 DEFINE_TRACE(PluginDocument)