Enable module scripts in ScriptLoader

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

Index: third_party/WebKit/Source/core/dom/ScriptLoader.h
diff --git a/third_party/WebKit/Source/core/dom/ScriptLoader.h b/third_party/WebKit/Source/core/dom/ScriptLoader.h
index 1aa042e4071a352296d0f786d2a284e8fb07ef15..82263badfe65819a22318efb0005492fb8b88f26 100644
--- a/third_party/WebKit/Source/core/dom/ScriptLoader.h
+++ b/third_party/WebKit/Source/core/dom/ScriptLoader.h
@@ -26,14 +26,15 @@
 #include "core/dom/ScriptRunner.h"
 #include "core/loader/resource/ScriptResource.h"
 #include "platform/loader/fetch/FetchParameters.h"
-#include "platform/loader/fetch/ResourceClient.h"
 #include "platform/wtf/text/TextPosition.h"
 #include "platform/wtf/text/WTFString.h"
 
 namespace blink {
 
-class ScriptElementBase;
 class Script;
+class ScriptElementBase;
+class ScriptResource;
+class ModulePendingScriptTreeClient;
 
 class CORE_EXPORT ScriptLoader : public GarbageCollectedFinalized<ScriptLoader>,
                                  public PendingScriptClient {
@@ -94,6 +95,7 @@ class CORE_EXPORT ScriptLoader : public GarbageCollectedFinalized<ScriptLoader>,
   bool IsParserInserted() const { return parser_inserted_; }
   bool AlreadyStarted() const { return already_started_; }
   bool IsNonBlocking() const { return non_blocking_; }
+  ScriptType GetScriptType() const { return script_type_; }
 
   // Helper functions used by our parent classes.
   void DidNotifySubtreeInsertionsToDocument();
@@ -163,7 +165,8 @@ class CORE_EXPORT ScriptLoader : public GarbageCollectedFinalized<ScriptLoader>,
   bool ready_to_be_parser_executed_ = false;
 
   // https://html.spec.whatwg.org/#concept-script-type
-  // TODO(hiroshige): Implement "script's type".
+  // "It is determined when the script is prepared"
+  ScriptType script_type_ = ScriptType::kClassic;
 
   // https://html.spec.whatwg.org/#concept-script-external
   // "It is determined when the script is prepared"
@@ -195,6 +198,7 @@ class CORE_EXPORT ScriptLoader : public GarbageCollectedFinalized<ScriptLoader>,
   DocumentWriteIntervention document_write_intervention_;
 
   Member<PendingScript> pending_script_;
+  Member<ModulePendingScriptTreeClient> module_tree_client_;
 };
 
 }  // namespace blink