Remove references into sky/engine/core/fetch

sky/engine/platform/fetcher/MojoFetcher.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 SKY_ENGINE_PLATFORM_FETCHER_MOJOFETCHER_H_
-#define SKY_ENGINE_PLATFORM_FETCHER_MOJOFETCHER_H_
-
-#include "base/memory/weak_ptr.h"
-#include "mojo/services/network/public/interfaces/url_loader.mojom.h"
-
-namespace blink {
-class KURL;
-
-class MojoFetcher {
- public:
-  class Client {
-   public:
-    virtual void OnReceivedResponse(mojo::URLResponsePtr) = 0;
-
-   protected:
-    virtual ~Client() { }
-  };
-
-  MojoFetcher(Client*, const KURL&);
-  ~MojoFetcher();
-
- private:
-  void OnReceivedResponse(mojo::URLResponsePtr);
-
-  Client* client_;
-  mojo::URLLoaderPtr url_loader_;
-  base::WeakPtrFactory<MojoFetcher> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(MojoFetcher);
-};
-
-}  // namespace blink
-
-#endif  // SKY_ENGINE_PLATFORM_FETCHER_MOJOFETCHER_H_