Implement the infrastructure of creating WorkerFetchContext in worker global scope.

content/renderer/shared_worker/embedded_shared_worker_stub.h

 // Copyright 2014 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.
 
 #ifndef CONTENT_RENDERER_SHARED_WORKER_EMBEDDED_SHARED_WORKER_STUB_H_
 #define CONTENT_RENDERER_SHARED_WORKER_EMBEDDED_SHARED_WORKER_STUB_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 63 matching lines @@
   CreateWorkerContentSettingsClientProxy(
       const blink::WebSecurityOrigin& origin) override;
   blink::WebServiceWorkerNetworkProvider* CreateServiceWorkerNetworkProvider()
       override;
   void SendDevToolsMessage(int session_id,
                            int call_id,
                            const blink::WebString& message,
                            const blink::WebString& state) override;
   blink::WebDevToolsAgentClient::WebKitClientMessageLoop*
   CreateDevToolsMessageLoop() override;
+  std::unique_ptr<blink::WebWorkerFetchContext> CreateWorkerFetchContext(
+      blink::WebServiceWorkerNetworkProvider*) override;
 
  private:
   ~EmbeddedSharedWorkerStub() override;
 
   void Shutdown();
   bool Send(IPC::Message* message);
 
   // WebSharedWorker will own |channel|.
   void ConnectToChannel(int connection_request_id,
                         std::unique_ptr<WebMessagePortChannelImpl> channel);
@@ skipping 14 matching lines @@
   std::vector<PendingChannel> pending_channels_;
 
   ScopedChildProcessReference process_ref_;
   WebApplicationCacheHostImpl* app_cache_host_ = nullptr;
   DISALLOW_COPY_AND_ASSIGN(EmbeddedSharedWorkerStub);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_SHARED_WORKER_EMBEDDED_SHARED_WORKER_STUB_H_