Worker: Remove WorkerLoaderProxy for clean-up

third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerThread.h

Index: third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerThread.h
diff --git a/third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerThread.h b/third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerThread.h
index 4b50fbb1999bf110ee7581b77194532fd8c39f31..29b9466a141b137977e84eb73469e1086111d0f8 100644
--- a/third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerThread.h
+++ b/third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerThread.h
@@ -41,9 +41,8 @@ class WorkerThreadStartupData;
 
 class MODULES_EXPORT ServiceWorkerThread final : public WorkerThread {
  public:
-  static std::unique_ptr<ServiceWorkerThread> Create(
-      PassRefPtr<WorkerLoaderProxy>,
-      WorkerReportingProxy&);
+  static std::unique_ptr<ServiceWorkerThread> Create(ThreadableLoadingContext*,
+                                                     WorkerReportingProxy&);
   ~ServiceWorkerThread() override;
 
   WorkerBackingThread& GetWorkerBackingThread() override {
@@ -56,7 +55,7 @@ class MODULES_EXPORT ServiceWorkerThread final : public WorkerThread {
       std::unique_ptr<WorkerThreadStartupData>) override;
 
  private:
-  ServiceWorkerThread(PassRefPtr<WorkerLoaderProxy>, WorkerReportingProxy&);
+  ServiceWorkerThread(ThreadableLoadingContext*, WorkerReportingProxy&);
   std::unique_ptr<WorkerBackingThread> worker_backing_thread_;
 };