[Sync] Move sessions files from sync_driver to sync_sessions.

components/sync_driver/open_tabs_ui_delegate.h

-// Copyright 2013 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_SYNC_DRIVER_OPEN_TABS_UI_DELEGATE_H_
-#define COMPONENTS_SYNC_DRIVER_OPEN_TABS_UI_DELEGATE_H_
-
-#include <string>
-#include <vector>
-
-#include "base/basictypes.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/ref_counted_memory.h"
-#include "components/sessions/core/session_id.h"
-#include "components/sessions/core/session_types.h"
-#include "components/sync_driver/glue/synced_session.h"
-
-namespace sync_driver {
-
-class OpenTabsUIDelegate {
- public:
-  // If a valid favicon for the page at |url| is found, fills |favicon_png| with
-  // the png-encoded image and returns true. Else, returns false.
-  virtual bool GetSyncedFaviconForPageURL(
-      const std::string& pageurl,
-      scoped_refptr<base::RefCountedMemory>* favicon_png) const = 0;
-
-  // Builds a list of all foreign sessions, ordered from most recent to least
-  // recent. Caller does NOT own SyncedSession objects.
-  // Returns true if foreign sessions were found, false otherwise.
-  virtual bool GetAllForeignSessions(
-      std::vector<const SyncedSession*>* sessions) = 0;
-
-  // Looks up the foreign tab identified by |tab_id| and belonging to foreign
-  // session |tag|. Caller does NOT own the SessionTab object.
-  // Returns true if the foreign session and tab were found, false otherwise.
-  virtual bool GetForeignTab(const std::string& tag,
-                             const SessionID::id_type tab_id,
-                             const sessions::SessionTab** tab) = 0;
-
-  // Delete a foreign session and all its sync data.
-  virtual void DeleteForeignSession(const std::string& tag) = 0;
-
-  // Loads all windows for foreign session with session tag |tag|. Caller does
-  // NOT own SessionWindow objects.
-  // Returns true if the foreign session was found, false otherwise.
-  virtual bool GetForeignSession(
-      const std::string& tag,
-      std::vector<const sessions::SessionWindow*>* windows) = 0;
-
-  // Loads all tabs for a foreign session, ignoring window grouping, and
-  // ordering by recency (most recent to least recent). Will automatically
-  // prune those tabs that are not syncable or are the NTP. Caller does NOT own
-  // SessionTab objects.
-  // Returns true if the foreign session was found, false otherwise.
-  virtual bool GetForeignSessionTabs(
-      const std::string& tag,
-      std::vector<const sessions::SessionTab*>* tabs) = 0;
-
-  // Sets |*local| to point to the sessions sync representation of the
-  // local machine.
-  virtual bool GetLocalSession(const SyncedSession** local) = 0;
-
- protected:
-  virtual ~OpenTabsUIDelegate();
-};
-
-}  // namespace sync_driver
-
-#endif  // COMPONENTS_SYNC_DRIVER_OPEN_TABS_UI_DELEGATE_H_