[ES6 modules] Integrate ModuleTreeLinkerRegistry into ModulatorImpl back-plane

third_party/WebKit/Source/core/dom/ModulatorImpl.h

Index: third_party/WebKit/Source/core/dom/ModulatorImpl.h
diff --git a/third_party/WebKit/Source/core/dom/ModulatorImpl.h b/third_party/WebKit/Source/core/dom/ModulatorImpl.h
index 711d4d7d5266c13edf34d15edc906aaf6f2f7f1a..dd1b8dbf5545b6c3b92d6461b26d9cef18935ed7 100644
--- a/third_party/WebKit/Source/core/dom/ModulatorImpl.h
+++ b/third_party/WebKit/Source/core/dom/ModulatorImpl.h
@@ -18,6 +18,7 @@ class Document;
 class ExecutionContext;
 class ModuleMap;
 class ModuleScriptLoaderRegistry;
+class ModuleTreeLinkerRegistry;
 class ResourceFetcher;
 class ScriptState;
 class WebTaskRunner;
@@ -71,6 +72,7 @@ class ModulatorImpl final : public Modulator {
   Member<ResourceFetcher> fetcher_;
   TraceWrapperMember<ModuleMap> map_;
   Member<ModuleScriptLoaderRegistry> loader_registry_;
+  Member<ModuleTreeLinkerRegistry> tree_linker_registry_;
   Member<ScriptModuleResolver> script_module_resolver_;
 };