Worker: Introduce per-global-scope task scheduler

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 16 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "web/WebEmbeddedWorkerImpl.h"
 
 #include <memory>
 #include "bindings/core/v8/SourceLocation.h"
 #include "core/dom/Document.h"
 #include "core/dom/SecurityContext.h"
+#include "core/dom/TaskRunnerHelper.h"
 #include "core/frame/csp/ContentSecurityPolicy.h"
 #include "core/inspector/ConsoleMessage.h"
 #include "core/loader/FrameLoadRequest.h"
 #include "core/loader/ThreadableLoadingContext.h"
 #include "core/probe/CoreProbes.h"
 #include "core/workers/ParentFrameTaskRunners.h"
 #include "core/workers/WorkerClients.h"
 #include "core/workers/WorkerGlobalScope.h"
 #include "core/workers/WorkerInspectorProxy.h"
 #include "core/workers/WorkerLoaderProxy.h"
@@ skipping 218 matching lines @@
     std::unique_ptr<WTF::CrossThreadClosure> task) {
   m_mainThreadTaskRunners->get(TaskType::Networking)
       ->postTask(BLINK_FROM_HERE, std::move(task));
 }
 
 void WebEmbeddedWorkerImpl::postTaskToWorkerGlobalScope(
     const WebTraceLocation& location,
     std::unique_ptr<WTF::CrossThreadClosure> task) {
   if (m_askedToTerminate || !m_workerThread)
     return;
-  m_workerThread->postTask(location, std::move(task));
+  TaskRunnerHelper::get(TaskType::Networking, m_workerThread.get())
+      ->postTask(location, std::move(task));
 }
 
 ThreadableLoadingContext* WebEmbeddedWorkerImpl::getThreadableLoadingContext() {
   if (!m_loadingContext) {
     m_loadingContext =
         ThreadableLoadingContext::create(*m_mainFrame->frame()->document());
   }
   return m_loadingContext;
 }
 
@@ skipping 185 matching lines @@
       *this, *document, *m_workerContextClient);
   m_loaderProxy = WorkerLoaderProxy::create(this);
   m_workerThread =
       ServiceWorkerThread::create(m_loaderProxy, *m_workerGlobalScopeProxy);
   m_workerThread->start(std::move(startupData), m_mainThreadTaskRunners.get());
   m_workerInspectorProxy->workerThreadCreated(document, m_workerThread.get(),
                                               scriptURL);
 }
 
 }  // namespace blink