Adding URLResponse Disk Cache to mojo.

services/service_cache/service_cache_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 SERVICES_SERVICE_CACHE_SERVICE_CACHE_IMPL_H_
+#define SERVICES_SERVICE_CACHE_SERVICE_CACHE_IMPL_H_
+
+#include "base/files/file_path.h"
+#include "base/macros.h"
+#include "base/threading/sequenced_worker_pool.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"
+#include "mojo/services/service_cache/public/interfaces/service_cache.mojom.h"
+
+namespace mojo {
+namespace service_cache {
+
+class ServiceCacheImpl : public ServiceCache {
+ public:
+  using FilePathPairCallback =
+      base::Callback<void(const base::FilePath&, const base::FilePath&)>;
+
+  ServiceCacheImpl(scoped_refptr<base::SequencedWorkerPool> worker_pool,
+                   const std::string& remote_application_url,
+                   InterfaceRequest<ServiceCache> request);
+  ~ServiceCacheImpl() override;
+
+ private:
+  // ServiceCache
+  void GetFile(mojo::URLResponsePtr response,
+               const GetFileCallback& callback) override;
+  void GetExtractedContent(
+      mojo::URLResponsePtr response,
+      const GetExtractedContentCallback& callback) override;
+
+  void GetFileInternal(mojo::URLResponsePtr response,
+                       const FilePathPairCallback& callback);
+
+  void GetExtractedContentInternal(const FilePathPairCallback& callback,
+                                   const base::FilePath& cache_dir,
+                                   const base::FilePath& content,
+                                   const base::FilePath& dir);
+
+  bool IsRequestAllowed(const mojo::URLResponsePtr& response);
+
+  scoped_refptr<base::SequencedWorkerPool> worker_pool_;
+  base::FilePath base_directory_;
+  StrongBinding<ServiceCache> binding_;
+
+  DISALLOW_COPY_AND_ASSIGN(ServiceCacheImpl);
+};
+
+}  // namespace service_cache
+}  // namespace mojo
+
+#endif  // SERVICES_SERVICE_CACHE_SERVICE_CACHE_IMPL_H_