Worker: Remove cross-thread PostTask functions from WorkerLoaderProxy

third_party/WebKit/Source/web/WebEmbeddedWorkerImpl.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 245 matching lines @@
       ConsoleMessage::Create(
           kOtherMessageSource, web_core_message_level, message.text,
           SourceLocation::Create(message.url, message.line_number,
                                  message.column_number, nullptr)));
 }
 
 void WebEmbeddedWorkerImpl::PostMessageToPageInspector(const String& message) {
   worker_inspector_proxy_->DispatchMessageFromWorker(message);
 }
 
-void WebEmbeddedWorkerImpl::PostTaskToLoader(
-    const WebTraceLocation& location,
-    std::unique_ptr<WTF::CrossThreadClosure> task) {
-  main_thread_task_runners_->Get(TaskType::kNetworking)
-      ->PostTask(BLINK_FROM_HERE, std::move(task));
-}
-
-void WebEmbeddedWorkerImpl::PostTaskToWorkerGlobalScope(
-    const WebTraceLocation& location,
-    std::unique_ptr<WTF::CrossThreadClosure> task) {
-  if (asked_to_terminate_ || !worker_thread_)
-    return;
-  TaskRunnerHelper::Get(TaskType::kNetworking, worker_thread_.get())
-      ->PostTask(location, std::move(task));
-}
-
 ThreadableLoadingContext* WebEmbeddedWorkerImpl::GetThreadableLoadingContext() {
   if (!loading_context_) {
     loading_context_ = ThreadableLoadingContext::Create(
         *main_frame_->GetFrame()->GetDocument());
   }
   return loading_context_;
 }
 
 void WebEmbeddedWorkerImpl::PrepareShadowPageForLoader() {
   // Create 'shadow page', which is never displayed and is used mainly to
@@ skipping 168 matching lines @@
           main_script_loader_->SourceText(),
           main_script_loader_->ReleaseCachedMetadata(), start_mode,
           document->GetContentSecurityPolicy()->Headers().get(),
           main_script_loader_->GetReferrerPolicy(), starter_origin,
           worker_clients, main_script_loader_->ResponseAddressSpace(),
           main_script_loader_->OriginTrialTokens(), std::move(worker_settings),
           worker_v8_settings);
 
   main_script_loader_.Clear();
 
-  // We have a dummy document here for loading but it doesn't really represent
-  // the document/frame of associated document(s) for this worker. Here we
-  // populate the task runners with null document not to confuse the frame
-  // scheduler (which will end up using the thread's default task runner).
-  main_thread_task_runners_ = ParentFrameTaskRunners::Create(nullptr);
-
   worker_global_scope_proxy_ = ServiceWorkerGlobalScopeProxy::Create(
       *this, *document, *worker_context_client_);
   loader_proxy_ = WorkerLoaderProxy::Create(this);
   worker_thread_ =
       ServiceWorkerThread::Create(loader_proxy_, *worker_global_scope_proxy_);
+
+  // We have a dummy document here for loading but it doesn't really represent
+  // the document/frame of associated document(s) for this worker. Here we
+  // populate the task runners with null document not to confuse the frame
+  // scheduler (which will end up using the thread's default task runner).
   worker_thread_->Start(std::move(startup_data),
-                        main_thread_task_runners_.Get());
+                        ParentFrameTaskRunners::Create(nullptr));
+
   worker_inspector_proxy_->WorkerThreadCreated(document, worker_thread_.get(),
                                                script_url);
 }
 
 }  // namespace blink