Revert of Worker: Introduce per-global-scope task scheduler

third_party/WebKit/Source/core/loader/ThreadableLoaderTest.cpp

Index: third_party/WebKit/Source/core/loader/ThreadableLoaderTest.cpp
diff --git a/third_party/WebKit/Source/core/loader/ThreadableLoaderTest.cpp b/third_party/WebKit/Source/core/loader/ThreadableLoaderTest.cpp
index 614317a6315df8bad0fd97c92342850651fbb8ff..db1a341829ed120a63323b29bc11389ca8c3cfc6 100644
--- a/third_party/WebKit/Source/core/loader/ThreadableLoaderTest.cpp
+++ b/third_party/WebKit/Source/core/loader/ThreadableLoaderTest.cpp
@@ -5,7 +5,6 @@
 #include "core/loader/ThreadableLoader.h"
 
 #include <memory>
-#include "core/dom/TaskRunnerHelper.h"
 #include "core/loader/DocumentThreadableLoader.h"
 #include "core/loader/ThreadableLoaderClient.h"
 #include "core/loader/ThreadableLoadingContext.h"
@@ -333,8 +332,7 @@
       const WebTraceLocation& location,
       std::unique_ptr<WTF::CrossThreadClosure> task) override {
     DCHECK(worker_thread_);
-    TaskRunnerHelper::Get(TaskType::kNetworking, worker_thread_.get())
-        ->PostTask(location, std::move(task));
+    worker_thread_->PostTask(location, std::move(task));
   }
 
   ThreadableLoadingContext* GetThreadableLoadingContext() override {