Worker: Remove WorkerLoaderProxy for clean-up

third_party/WebKit/Source/web/WebSharedWorkerImpl.h

Index: third_party/WebKit/Source/web/WebSharedWorkerImpl.h
diff --git a/third_party/WebKit/Source/web/WebSharedWorkerImpl.h b/third_party/WebKit/Source/web/WebSharedWorkerImpl.h
index 6d5f44e85e2a53290670a0eb533201f05d188497..d97176b9a2d919ae37c668dfb64b7521c3fcbdda 100644
--- a/third_party/WebKit/Source/web/WebSharedWorkerImpl.h
+++ b/third_party/WebKit/Source/web/WebSharedWorkerImpl.h
@@ -35,7 +35,6 @@
 
 #include <memory>
 #include "core/dom/ExecutionContext.h"
-#include "core/workers/WorkerLoaderProxy.h"
 #include "core/workers/WorkerThread.h"
 #include "platform/wtf/RefPtr.h"
 #include "public/platform/Platform.h"
@@ -65,8 +64,7 @@ class WorkerScriptLoader;
 // *OnWorkerThread or have header comments.
 class WebSharedWorkerImpl final : public WebFrameClient,
                                   public WebSharedWorker,
-                                  public WebDevToolsAgentClient,
-                                  private WorkerLoaderProxyProvider {
+                                  public WebDevToolsAgentClient {
  public:
   explicit WebSharedWorkerImpl(WebSharedWorkerClient*);
 
@@ -134,9 +132,6 @@ class WebSharedWorkerImpl final : public WebFrameClient,
 
   void ConnectTaskOnWorkerThread(std::unique_ptr<WebMessagePortChannel>);
 
-  // WorkerLoaderProxyProvider
-  ThreadableLoadingContext* GetThreadableLoadingContext() override;
-
   // 'shadow page' - created to proxy loading requests from the worker.
   // Will be accessed by worker thread when posting tasks.
   Persistent<ExecutionContext> loading_document_;
@@ -160,8 +155,6 @@ class WebSharedWorkerImpl final : public WebFrameClient,
   // Kept around only while main script loading is ongoing.
   RefPtr<WorkerScriptLoader> main_script_loader_;
 
-  RefPtr<WorkerLoaderProxy> loader_proxy_;
-
   WebURL url_;
   WebString name_;
   WebAddressSpace creation_address_space_;