[Offline Pages] Implement OfflinePageStorageManager.

components/offline_pages/offline_page_model.cc

Index: components/offline_pages/offline_page_model.cc
diff --git a/components/offline_pages/offline_page_model.cc b/components/offline_pages/offline_page_model.cc
index d6bbddab2e76c6532e78ccda04101772ca69594d..6190486c409f20da8679bf33c084652ea352dc90 100644
--- a/components/offline_pages/offline_page_model.cc
+++ b/components/offline_pages/offline_page_model.cc
@@ -18,7 +18,9 @@
 #include "base/strings/string_number_conversions.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/time/time.h"
+#include "components/offline_pages/client_policy_controller.h"
 #include "components/offline_pages/offline_page_item.h"
+#include "components/offline_pages/offline_page_storage_manager.h"
 #include "components/offline_pages/proto/offline_pages.pb.h"
 #include "url/gurl.h"
 
@@ -115,6 +117,8 @@ OfflinePageModel::OfflinePageModel(
       archives_dir_(archives_dir),
       is_loaded_(false),
       task_runner_(task_runner),
+      policy_controller_(std::move(new ClientPolicyController())),

[fgorski, 2016/05/06 05:57:24]

I don't think you need std::move here. unique pointer will assume ownership of
the pointer.

[romax, 2016/05/07 02:22:42]

Done.

+      storage_manager_(std::move(new OfflinePageStorageManager(this))),

[fgorski, 2016/05/06 05:57:24]

same

[romax, 2016/05/07 02:22:42]

Done.

       weak_ptr_factory_(this) {
   task_runner_->PostTaskAndReply(
       FROM_HERE, base::Bind(EnsureArchivesDirCreated, archives_dir_),
@@ -497,10 +501,18 @@ void OfflinePageModel::RecordStorageHistograms(int64_t total_space_bytes,
   }
 }
 
+ClientPolicyController* OfflinePageModel::GetPolicyController() {
+  return policy_controller_.get();
+}
+
 OfflinePageMetadataStore* OfflinePageModel::GetStoreForTesting() {
   return store_.get();
 }
 
+OfflinePageStorageManager* OfflinePageModel::GetStorageManager() {
+  return storage_manager_.get();
+}
+
 void OfflinePageModel::OnCreateArchiveDone(const GURL& requested_url,
                                            int64_t offline_id,
                                            const ClientId& client_id,