[WIP Prototype] ES6 https://html.spec.whatwg.org/#fetch-a-single-module-script implementation

third_party/WebKit/Source/core/dom/BUILD.gn

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//third_party/WebKit/Source/core/core.gni")
 
 blink_core_sources("dom") {
   split_count = 5
 
   sources = [
     "AXObjectCache.cpp",
     "AXObjectCache.h",
     "AccessibleNode.cpp",
     "AccessibleNode.h",
+    "AncestorList.h",
     "AnimationWorkletProxyClient.h",
     "Attr.cpp",
     "Attr.h",
     "Attribute.h",
     "AttributeCollection.h",
     "CDATASection.cpp",
     "CDATASection.h",
     "CSSSelectorWatch.cpp",
     "CSSSelectorWatch.h",
     "CharacterData.cpp",
     "CharacterData.h",
     "ChildFrameDisconnector.cpp",
     "ChildFrameDisconnector.h",
     "ChildListMutationScope.cpp",
     "ChildListMutationScope.h",
     "ChildNode.h",
     "ChildNodeList.cpp",
     "ChildNodeList.h",
     "ClassCollection.cpp",
     "ClassCollection.h",
+    "ClassicPendingScript.cpp",
+    "ClassicPendingScript.h",
     "ClassicScript.cpp",
     "ClassicScript.h",
     "ClientRect.cpp",
     "ClientRect.h",
     "ClientRectList.cpp",
     "ClientRectList.h",
     "CollectionIndexCache.h",
     "Comment.cpp",
     "Comment.h",
     "CompositorProxiedPropertySet.cpp",
@@ skipping 141 matching lines @@
     "LiveNodeList.cpp",
     "LiveNodeList.h",
     "LiveNodeListBase.cpp",
     "LiveNodeListBase.h",
     "MessageChannel.cpp",
     "MessageChannel.h",
     "MessagePort.cpp",
     "MessagePort.h",
     "Modulator.cpp",
     "Modulator.h",
+    "ModulatorImpl.cpp",
+    "ModulatorImpl.h",
     "ModuleMap.cpp",
     "ModuleMap.h",
+    "ModulePendingScript.cpp",
+    "ModulePendingScript.h",
     "ModuleScript.cpp",
     "ModuleScript.h",
     "MutationCallback.h",
     "MutationObserver.cpp",
     "MutationObserver.h",
     "MutationObserverInterestGroup.cpp",
     "MutationObserverInterestGroup.h",
     "MutationObserverRegistration.cpp",
     "MutationObserverRegistration.h",
     "MutationRecord.cpp",
@@ skipping 231 matching lines @@
     "shadow/SlotAssignment.h",
     "shadow/SlotScopedTraversal.cpp",
     "shadow/SlotScopedTraversal.h",
   ]
 
   configs += [
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     "//build/config/compiler:no_size_t_to_int_warning",
   ]
 }