[Offline Prefetch] Send GeneratePageBundleRequest to the server

components/offline_pages/core/prefetch/generate_page_bundle_request.h

+// Copyright 2017 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 COMPONENTS_OFFLINE_PAGES_CORE_PREFETCH_GENERATE_PAGE_BUNDLE_REQUEST_H_
+#define COMPONENTS_OFFLINE_PAGES_CORE_PREFETCH_GENERATE_PAGE_BUNDLE_REQUEST_H_
+
+#include <vector>
+
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "components/offline_pages/core/prefetch/prefetch_types.h"
+
+namespace net {
+class URLRequestContextGetter;
+}
+
+namespace offline_pages {
+
+class PrefetchRequestFetcher;
+namespace proto {
+class Any;
+class Operation;
+}  // namespace proto
+
+class GeneratePageBundleRequest {
+ public:
+  using FinishedCallback =
+      base::Callback<void(RequestStatus status,
+                          const std::vector<PageInfo>& pages)>;
+
+  GeneratePageBundleRequest(
+      const std::string& user_agent,
+      const std::string& gcm_registration_id,
+      int max_bundle_size_bytes,
+      const std::vector<std::string>& page_urls,
+      net::URLRequestContextGetter* request_context_getter,
+      const FinishedCallback& callback);
+  ~GeneratePageBundleRequest();
+
+ private:
+  void OnCompleted(RequestStatus status, const std::string& data);
+  void ParseDoneOperationResponse(const proto::Operation& operation);
+  void ParsePendingOperationResponse(const proto::Operation& operation);
+  void ParsePageBundleInAnyData(const proto::Any& any_data);
+  void NotifyParsingFailure();
+
+  FinishedCallback callback_;
+  std::unique_ptr<PrefetchRequestFetcher> fetcher_;
+
+  DISALLOW_COPY_AND_ASSIGN(GeneratePageBundleRequest);
+};
+
+}  // namespace offline_pages
+
+#endif  // COMPONENTS_OFFLINE_PAGES_CORE_PREFETCH_GENERATE_PAGE_BUNDLE_REQUEST_H_