Implement DOM methods: prepend, append, after, before and replaceWith.

third_party/WebKit/LayoutTests/virtual/stable/webexposed/global-interface-listing-expected.txt

Index: third_party/WebKit/LayoutTests/virtual/stable/webexposed/global-interface-listing-expected.txt
diff --git a/third_party/WebKit/LayoutTests/virtual/stable/webexposed/global-interface-listing-expected.txt b/third_party/WebKit/LayoutTests/virtual/stable/webexposed/global-interface-listing-expected.txt
index d4609984f8d969786c6b6f2eb1a1375e961152fd..425738b0a90cd5b135cb717d687cf0f05469ceca 100644
--- a/third_party/WebKit/LayoutTests/virtual/stable/webexposed/global-interface-listing-expected.txt
+++ b/third_party/WebKit/LayoutTests/virtual/stable/webexposed/global-interface-listing-expected.txt
@@ -499,6 +499,7 @@ interface ChannelSplitterNode : AudioNode
     method constructor
 interface CharacterData : Node
     attribute @@toStringTag
+    attribute @@unscopables
     getter data
     getter length
     getter nextElementSibling
@@ -729,6 +730,7 @@ interface DeviceOrientationEvent : Event
     method initDeviceOrientationEvent
 interface Document : Node
     attribute @@toStringTag
+    attribute @@unscopables
     getter URL
     getter activeElement
     getter anchors
@@ -997,6 +999,7 @@ interface Document : Node
     setter xmlVersion
 interface DocumentFragment : Node
     attribute @@toStringTag
+    attribute @@unscopables
     getter childElementCount
     getter children
     getter firstElementChild
@@ -1007,6 +1010,7 @@ interface DocumentFragment : Node
     method querySelectorAll
 interface DocumentType : Node
     attribute @@toStringTag
+    attribute @@unscopables
     getter name
     getter publicId
     getter systemId
@@ -1027,6 +1031,7 @@ interface DynamicsCompressorNode : AudioNode
     method constructor
 interface Element : Node
     attribute @@toStringTag
+    attribute @@unscopables
     getter attributes
     getter childElementCount
     getter children