Worker: Remove WorkerLoaderProxy for clean-up

third_party/WebKit/Source/core/workers/SharedWorkerThread.h

Index: third_party/WebKit/Source/core/workers/SharedWorkerThread.h
diff --git a/third_party/WebKit/Source/core/workers/SharedWorkerThread.h b/third_party/WebKit/Source/core/workers/SharedWorkerThread.h
index 22f68cd611b9b2f148e9729ebc04d7738485a08f..a6e70b8da3b1dcbd4c83979359e8f1ad1de7ed09 100644
--- a/third_party/WebKit/Source/core/workers/SharedWorkerThread.h
+++ b/third_party/WebKit/Source/core/workers/SharedWorkerThread.h
@@ -41,10 +41,9 @@ class WorkerThreadStartupData;
 
 class CORE_EXPORT SharedWorkerThread : public WorkerThread {
  public:
-  static std::unique_ptr<SharedWorkerThread> Create(
-      const String& name,
-      PassRefPtr<WorkerLoaderProxy>,
-      WorkerReportingProxy&);
+  static std::unique_ptr<SharedWorkerThread> Create(const String& name,
+                                                    ThreadableLoadingContext*,
+                                                    WorkerReportingProxy&);
   ~SharedWorkerThread() override;
 
   WorkerBackingThread& GetWorkerBackingThread() override {
@@ -58,7 +57,7 @@ class CORE_EXPORT SharedWorkerThread : public WorkerThread {
 
  private:
   SharedWorkerThread(const String& name,
-                     PassRefPtr<WorkerLoaderProxy>,
+                     ThreadableLoadingContext*,
                      WorkerReportingProxy&);
 
   std::unique_ptr<WorkerBackingThread> worker_backing_thread_;