Componentize //chrome/browser/offline_pages

Componentize offline_page_metadata_store_impl.[cc/h], unittest and offline_pages.proto file.

Updated BUILD.gn and corresponding .gypi files for the same.

BUG=507284

Review URL: https://codereview.chromium.org/1226173004

Cr-Commit-Position: refs/heads/master@{#339852}

2 files changed, 48 insertions, 0 deletions

diff --git a/components/offline_pages/proto/BUILD.gn b/components/offline_pages/proto/BUILD.gn
new file mode 100644
index 0000000..7cfb1a6
--- /dev/null
+++ b/components/offline_pages/proto/BUILD.gn
@@ -0,0 +1,12 @@
+# 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.
+
+import("//third_party/protobuf/proto_library.gni")
+
+# GYP version: components/offline_pages.gypi:offline_pages_proto
+proto_library("offline_pages_proto") {
+  sources = [
+    "offline_pages.proto",
+  ]
+}
diff --git a/components/offline_pages/proto/offline_pages.proto b/components/offline_pages/proto/offline_pages.proto
new file mode 100644
index 0000000..16f23b1
--- /dev/null
+++ b/components/offline_pages/proto/offline_pages.proto
@@ -0,0 +1,36 @@
+// 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.
+//
+// Offline page item protocol for storage and exchanging of offline page
+// metadata.
+
+syntax = "proto2";
+
+option optimize_for = LITE_RUNTIME;
+option retain_unknown_fields = true;
+
+package offline_pages;
+
+message OfflinePageEntry {
+  // URL of the offline page.
+  required string url = 1;
+
+  // Title of the offline page.
+  required string title = 2;
+
+  // Version of the offline page metadata.
+  required int32 version = 3;
+
+  // Path to the offline archive.
+  required string file_path = 4;
+
+  // Size of the offline archive.
+  optional int64 file_size = 5;
+
+  // Creation time of the offline archive.
+  optional int64 creation_time = 6;
+
+  // Last access time of the offline archive.
+  optional int64 last_access_time = 7;
+}