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

third_party/WebKit/Source/core/loader/FrameLoader.cpp

Index: third_party/WebKit/Source/core/loader/FrameLoader.cpp
diff --git a/third_party/WebKit/Source/core/loader/FrameLoader.cpp b/third_party/WebKit/Source/core/loader/FrameLoader.cpp
index ace751665a243d58ae59f40f807f1df087662feb..55c68535bfa9173a035fff4909d456672b59206b 100644
--- a/third_party/WebKit/Source/core/loader/FrameLoader.cpp
+++ b/third_party/WebKit/Source/core/loader/FrameLoader.cpp
@@ -357,7 +357,7 @@ void FrameLoader::replaceDocumentWhileExecutingJavaScriptURL(const String& sourc
     // frame on a detached DOM tree, which is bad.
     SubframeLoadingDisabler disabler(m_frame->document());
     m_frame->detachChildren();
-    m_frame->document()->detachLayoutTree();
+    m_frame->document()->shutdown();
     clear();
 
     // detachChildren() potentially detaches the frame from the document. The
@@ -1131,7 +1131,7 @@ bool FrameLoader::prepareForCommit()
     // No more events will be dispatched so detach the Document.
     // TODO(yoav): Should we also be nullifying domWindow's document (or domWindow) since the doc is now detached?
     if (m_frame->document())
-        m_frame->document()->detachLayoutTree();
+        m_frame->document()->shutdown();
     m_documentLoader = m_provisionalDocumentLoader.release();
     takeObjectSnapshot();