Worker: Remove cross-thread PostTask functions from WorkerLoaderProxy

third_party/WebKit/Source/core/workers/ThreadedWorkletMessagingProxy.cpp

 // Copyright 2016 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/workers/ThreadedWorkletMessagingProxy.h"
 
 #include "bindings/core/v8/ScriptSourceCode.h"
 #include "core/dom/Document.h"
 #include "core/dom/SecurityContext.h"
+#include "core/dom/TaskRunnerHelper.h"
 #include "core/frame/csp/ContentSecurityPolicy.h"
 #include "core/origin_trials/OriginTrialContext.h"
 #include "core/workers/ThreadedWorkletObjectProxy.h"
 #include "core/workers/WorkerInspectorProxy.h"
 #include "core/workers/WorkerThreadStartupData.h"
 #include "core/workers/WorkletGlobalScope.h"
 #include "platform/CrossThreadFunctional.h"
 #include "platform/WebTaskRunner.h"
 
 namespace blink {
@@ skipping 31 matching lines @@
           OriginTrialContext::GetTokens(document).get(),
           std::move(worker_settings), WorkerV8Settings::Default());
 
   InitializeWorkerThread(std::move(startup_data));
   GetWorkerInspectorProxy()->WorkerThreadCreated(document, GetWorkerThread(),
                                                  script_url);
 }
 
 void ThreadedWorkletMessagingProxy::EvaluateScript(
     const ScriptSourceCode& script_source_code) {
-  PostTaskToWorkerGlobalScope(
-      BLINK_FROM_HERE,
-      CrossThreadBind(&ThreadedWorkletObjectProxy::EvaluateScript,
-                      CrossThreadUnretained(worklet_object_proxy_.get()),
-                      script_source_code.Source(), script_source_code.Url(),
-                      CrossThreadUnretained(GetWorkerThread())));
+  TaskRunnerHelper::Get(TaskType::kMiscPlatformAPI, GetWorkerThread())

[haraken, 2017/04/21 09:48:49]

I'm not sure if this is a speced task though.

+      ->PostTask(
+          BLINK_FROM_HERE,
+          CrossThreadBind(&ThreadedWorkletObjectProxy::EvaluateScript,
+                          CrossThreadUnretained(worklet_object_proxy_.get()),
+                          script_source_code.Source(), script_source_code.Url(),
+                          CrossThreadUnretained(GetWorkerThread())));
 }
 
 void ThreadedWorkletMessagingProxy::TerminateWorkletGlobalScope() {
   TerminateGlobalScope();
 }
 
 }  // namespace blink