Initial commit of offline pages.

* Creates OfflinePageModel (not implemented) and basic OfflinePageItem
* Adds components/offline_pages with OWNERS and DEPS
* Creates components/offline_pages.gypi
* Includes offline pages across gyp files

BUG=491352

Review URL: https://codereview.chromium.org/1147983005

Cr-Commit-Position: refs/heads/master@{#332508}

1 files changed, 41 insertions, 0 deletions

diff --git a/components/offline_pages/offline_page_model.h b/components/offline_pages/offline_page_model.h
new file mode 100644
index 0000000..7e57a14
--- /dev/null
+++ b/components/offline_pages/offline_page_model.h
@@ -0,0 +1,41 @@
+// 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 COMPONENTS_OFFLINE_PAGES_OFFLINE_PAGE_MODEL_H_
+#define COMPONENTS_OFFLINE_PAGES_OFFLINE_PAGE_MODEL_H_
+
+#include <vector>
+
+#include "base/macros.h"
+#include "components/keyed_service/core/keyed_service.h"
+
+class GURL;
+
+namespace offline_pages {
+
+struct OfflinePageItem;
+
+// Serivce for saving pages offline, storing the offline copy and metadata, and
+// retrieving them upon request.
+class OfflinePageModel : public KeyedService {
+ public:
+  OfflinePageModel();
+  ~OfflinePageModel() override;
+
+  // KeyedService:
+  void Shutdown() override;
+
+  // Saves the page loaded in the web contents offline.
+  void SavePageOffline(const GURL& url);
+
+  // Gets a set of all offline pages metadata.
+  std::vector<OfflinePageItem> GetAllOfflinePages();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(OfflinePageModel);
+};
+
+}  // namespace offline_pages
+
+#endif  // COMPONENTS_OFFLINE_PAGES_OFFLINE_PAGE_MODEL_H_