Enable module scripts in ScriptLoader

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

 // Copyright 2017 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.
 
 #include "core/dom/ModulatorImpl.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/dom/ModuleMap.h"
 #include "core/dom/ModuleScript.h"
@@ skipping 141 matching lines @@
   ScriptState::Scope scope(script_state_.Get());
 
   // 3. "If s's instantiation state is "errored", then report the exception
   //     given by s's instantiation error for s and abort these steps."
   ModuleInstantiationState instantiationState =
       module_script->InstantiationState();
   if (instantiationState == ModuleInstantiationState::kErrored) {
     v8::Isolate* isolate = script_state_->GetIsolate();
     ScriptModule::ReportException(
         script_state_.Get(), module_script->CreateInstantiationError(isolate),
-        "FOXME.js");
+        module_script->BaseURL().GetString());
     return;
   }
 
   // 4. "Assert: s's instantiation state is "instantiated" (and thus its
   //     module record is not null)."
   CHECK_EQ(instantiationState, ModuleInstantiationState::kInstantiated);
 
   // 5. "Let record be s's module record."
   const ScriptModule& record = module_script->Record();
   CHECK(!record.IsNull());
 
   // 6.--9.?
   record.Evaluate(script_state_.Get());
 }
 
 DEFINE_TRACE(ModulatorImpl) {
   Modulator::Trace(visitor);
   visitor->Trace(fetcher_);
   visitor->Trace(map_);
   visitor->Trace(loader_registry_);
   visitor->Trace(tree_linker_registry_);
   visitor->Trace(script_module_resolver_);
 }
 
 DEFINE_TRACE_WRAPPERS(ModulatorImpl) {
   visitor->TraceWrappers(map_);
 }
 
 }  // namespace blink