[Offline Prefetch] Send GeneratePageBundleRequest to the server

components/offline_pages/core/prefetch/prefetch_utils.h

Index: components/offline_pages/core/prefetch/prefetch_utils.h
diff --git a/components/offline_pages/core/prefetch/prefetch_utils.h b/components/offline_pages/core/prefetch/prefetch_utils.h
new file mode 100644
index 0000000000000000000000000000000000000000..caf6d851e9bd5f6d0b076f9682cbbe91424a0cb3
--- /dev/null
+++ b/components/offline_pages/core/prefetch/prefetch_utils.h
@@ -0,0 +1,27 @@
+// 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_PREFETCH_UTILS_H_
+#define COMPONENTS_OFFLINE_PAGES_CORE_PREFETCH_PREFETCH_UTILS_H_
+
+#include <vector>
+#include "components/offline_pages/core/prefetch/prefetch_types.h"
+
+namespace offline_pages {
+
+namespace proto {
+class Any;
+}  // namespace proto
+
+// The fully qualified type name for PageBundle defined in proto.
+extern const char kPageBundleTypeURL[];
+
+// Parse PageBundle data stored as Any proto data. True is returned when the
+// parsing succeeds and the result pages are stored in |pages|.
+bool ParsePageBundleInAnyData(const proto::Any& any_data,
+                              std::vector<RenderPageInfo>* pages);
+
+}  // namespace offline_pages
+
+#endif  // COMPONENTS_OFFLINE_PAGES_CORE_PREFETCH_PREFETCH_UTILS_H_