Create skeleton for the Prefetching store and initial pipeline step.

components/offline_pages/core/offline_page_item.cc

 // 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.
 
 #include "components/offline_pages/core/offline_page_item.h"
 
 namespace offline_pages {
 
-ClientId::ClientId() : name_space(""), id("") {}
-
-ClientId::ClientId(std::string name_space, std::string id)
-    : name_space(name_space), id(id) {}
-
-bool ClientId::operator==(const ClientId& client_id) const {
-  return name_space == client_id.name_space && id == client_id.id;
-}
-
-bool ClientId::operator<(const ClientId& client_id) const {
-  if (name_space == client_id.name_space)
-    return (id < client_id.id);
-
-  return name_space < client_id.name_space;
-}
-
 OfflinePageItem::OfflinePageItem()
     : file_size(0), access_count(0), flags(NO_FLAG) {}
 
 OfflinePageItem::OfflinePageItem(const GURL& url,
                                  int64_t offline_id,
                                  const ClientId& client_id,
                                  const base::FilePath& file_path,
                                  int64_t file_size)
     : url(url),
       offline_id(offline_id),
@@ skipping 28 matching lines @@
          client_id == other.client_id && file_path == other.file_path &&
          creation_time == other.creation_time &&
          last_access_time == other.last_access_time &&
          access_count == other.access_count &&
          title == other.title &&
          flags == other.flags &&
          original_url == other.original_url;
 }
 
 }  // namespace offline_pages