Move sky_viewer into services/sky

sky/viewer/dart_library_provider_impl.h

-// Copyright 2015 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_VIEWER_DART_LIBRARY_PROVIDER_IMPL_H_
-#define SKY_VIEWER_DART_LIBRARY_PROVIDER_IMPL_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "sky/shell/dart/dart_library_provider_network.h"
-
-namespace sky {
-
-class DartLibraryProviderImpl : public shell::DartLibraryProviderNetwork {
- public:
-  struct PrefetchedLibrary {
-    PrefetchedLibrary();
-    ~PrefetchedLibrary();
-
-    String name;
-    mojo::ScopedDataPipeConsumerHandle pipe;
-  };
-
-  explicit DartLibraryProviderImpl(mojo::NetworkService* network_service,
-                                   scoped_ptr<PrefetchedLibrary> prefetched);
-  ~DartLibraryProviderImpl() override;
-
- private:
-  void GetLibraryAsStream(const String& name,
-                          blink::DataPipeConsumerCallback callback) override;
-
-  scoped_ptr<PrefetchedLibrary> prefetched_library_;
-
-  DISALLOW_COPY_AND_ASSIGN(DartLibraryProviderImpl);
-};
-
-}  // namespace sky
-
-#endif  // SKY_VIEWER_DART_LIBRARY_PROVIDER_IMPL_H_