Revert of Introduce ModulePendingScript

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

Index: third_party/WebKit/Source/core/dom/ModulePendingScript.cpp
diff --git a/third_party/WebKit/Source/core/dom/ModulePendingScript.cpp b/third_party/WebKit/Source/core/dom/ModulePendingScript.cpp
deleted file mode 100644
index f0184b10301e3baabe64eac13abc195cadc1dc99..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/dom/ModulePendingScript.cpp
+++ /dev/null
@@ -1,82 +0,0 @@
-// 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/ModulePendingScript.h"
-
-#include "core/dom/ScriptLoader.h"
-#include "core/frame/LocalFrame.h"
-
-namespace blink {
-
-ModulePendingScriptTreeClient::ModulePendingScriptTreeClient()
-    : module_script_(nullptr), pending_script_(nullptr) {}
-
-void ModulePendingScriptTreeClient::SetPendingScript(
-    ModulePendingScript* pending_script) {
-  DCHECK(!pending_script_);
-  pending_script_ = pending_script;
-
-  if (finished_) {
-    pending_script_->NotifyModuleTreeLoadFinished();
-  }
-}
-
-void ModulePendingScriptTreeClient::NotifyModuleTreeLoadFinished(
-    ModuleScript* module_script) {
-  DCHECK(!(module_script && module_script->InstantiationState() ==
-                                ModuleInstantiationState::kUninstantiated));
-  DCHECK(!finished_);
-  finished_ = true;
-  module_script_ = module_script;
-
-  if (pending_script_)
-    pending_script_->NotifyModuleTreeLoadFinished();
-}
-
-DEFINE_TRACE(ModulePendingScriptTreeClient) {
-  visitor->Trace(module_script_);
-  visitor->Trace(pending_script_);
-  ModuleTreeClient::Trace(visitor);
-}
-
-ModulePendingScript::ModulePendingScript(ScriptElementBase* element,
-                                         ModulePendingScriptTreeClient* client)
-    : PendingScript(element, TextPosition()), module_tree_client_(client) {
-  CHECK(this->GetElement());
-  DCHECK(module_tree_client_);
-  client->SetPendingScript(this);
-}
-
-ModulePendingScript::~ModulePendingScript() {}
-
-void ModulePendingScript::DisposeInternal() {
-  module_tree_client_ = nullptr;
-}
-
-DEFINE_TRACE(ModulePendingScript) {
-  visitor->Trace(module_tree_client_);
-  PendingScript::Trace(visitor);
-}
-
-void ModulePendingScript::NotifyModuleTreeLoadFinished() {
-  CHECK(!IsReady());
-  ready_ = true;
-
-  if (Client())
-    Client()->PendingScriptFinished(this);
-}
-
-Script* ModulePendingScript::GetSource(const KURL& document_url,
-                                       bool& error_occurred) const {
-  CHECK(IsReady());
-  error_occurred = ErrorOccurred();
-  return GetModuleScript();
-}
-
-bool ModulePendingScript::ErrorOccurred() const {
-  CHECK(IsReady());
-  return !GetModuleScript();
-}
-
-}  // namespace blink