Move session_id.{cc,h} from chrome/browser/sessions to components/sessions

chrome/browser/sessions/tab_restore_service_helper.h

 // Copyright (c) 2012 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 CHROME_BROWSER_SESSIONS_TAB_RESTORE_SERVICE_HELPER_H_
 #define CHROME_BROWSER_SESSIONS_TAB_RESTORE_SERVICE_HELPER_H_
 
 #include <set>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/observer_list.h"
 #include "base/time/time.h"
-#include "chrome/browser/sessions/session_id.h"
 #include "chrome/browser/sessions/session_types.h"
 #include "chrome/browser/sessions/tab_restore_service.h"
 #include "chrome/browser/ui/host_desktop.h"
+#include "components/sessions/session_id.h"
 
 class Profile;
 class TabRestoreService;
 class TabRestoreServiceDelegate;
 class TabRestoreServiceObserver;
 class TimeFactory;
 
 namespace content {
 class NavigationController;
 class WebContents;
@@ skipping 156 matching lines @@
   // corresponding BrowserClosed. We cache the set of delegates closing to
   // avoid creating historical tabs for them.
   std::set<TabRestoreServiceDelegate*> closing_delegates_;
 
   TimeFactory* const time_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TabRestoreServiceHelper);
 };
 
 #endif  // CHROME_BROWSER_SESSIONS_TAB_RESTORE_SERVICE_HELPER_H_